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449521125944 = 231171154946447
BaseRepresentation
bin1101000101010011000…
…11000000101000111000
31120222021220022012220112
412202221203000220320
524331104402012234
6542301313443452
744322360345332
oct6425143005070
91528256265815
10449521125944
11163705a58270
1273153870588
133350b111a27
1417a8507a452
15ba5e1e9ace
hex68a98c0a38

449521125944 has 64 divisors (see below), whose sum is σ = 933047424000. Its totient is φ = 201315542400.

The previous prime is 449521125931. The next prime is 449521125959.

449521125944 is nontrivially palindromic in base 10.

It is a super-2 number, since 2×4495211259442 (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 449521125892 and 449521125901.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9654929 + ... + 9701375.

It is an arithmetic number, because the mean of its divisors is an integer number (14578866000).

Almost surely, 2449521125944 is an apocalyptic number.

449521125944 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 449521125944, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (466523712000).

449521125944 is an abundant number, since it is smaller than the sum of its proper divisors (483526298056).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

449521125944 is a wasteful number, since it uses less digits than its factorization.

449521125944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48084 (or 48080 counting only the distinct ones).

The product of its digits is 2073600, while the sum is 50.

The spelling of 449521125944 in words is "four hundred forty-nine billion, five hundred twenty-one million, one hundred twenty-five thousand, nine hundred forty-four".

Divisors: 1 2 4 8 11 22 44 71 88 142 284 568 781 1549 1562 3098 3124 6196 6248 12392 17039 34078 46447 68156 92894 109979 136312 185788 219958 371576 439916 510917 879832 1021834 1209769 2043668 2419538 3297737 4087336 4839076 6595474 9678152 13190948 26381896 36275107 71946403 72550214 143892806 145100428 287785612 290200856 575571224 791410433 1582820866 3165641732 5108194613 6331283464 10216389226 20432778452 40865556904 56190140743 112380281486 224760562972 449521125944