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4420542400 = 26522762839
BaseRepresentation
bin1000001110111110…
…00001111111000000
3102102002000211011121
410013133001333000
533023124324100
62010351322024
7214354663501
oct40737017700
912362024147
104420542400
11196930aa2a
12a34520314
13555aa6281
142dd144ba8
151ad14551a
hex1077c1fc0

4420542400 has 42 divisors (see below), whose sum is σ = 10877301080. Its totient is φ = 1768216320.

The previous prime is 4420542389. The next prime is 4420542409. The reversal of 4420542400 is 42450244.

It is a happy number.

It is a super-2 number, since 2×44205424002 = 39082390220395520000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4420542409) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1379820 + ... + 1383019.

Almost surely, 24420542400 is an apocalyptic number.

4420542400 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4420542400 is an abundant number, since it is smaller than the sum of its proper divisors (6456758680).

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

4420542400 is a wasteful number, since it uses less digits than its factorization.

4420542400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2762861 (or 2762846 counting only the distinct ones).

The product of its (nonzero) digits is 5120, while the sum is 25.

The square root of 4420542400 is about 66487.1596625995. The cubic root of 4420542400 is about 1641.1887078909.

Adding to 4420542400 its reverse (42450244), we get a palindrome (4462992644).

The spelling of 4420542400 in words is "four billion, four hundred twenty million, five hundred forty-two thousand, four hundred".

Divisors: 1 2 4 5 8 10 16 20 25 32 40 50 64 80 100 160 200 320 400 800 1600 2762839 5525678 11051356 13814195 22102712 27628390 44205424 55256780 69070975 88410848 110513560 138141950 176821696 221027120 276283900 442054240 552567800 884108480 1105135600 2210271200 4420542400