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1454207005440 = 28335714940343
BaseRepresentation
bin10101001010010101011…
…111011111001100000000
312011000120012000222122000
4111022111133133030000
5142311203443133230
63032015314544000
7210030414411540
oct25122537371400
95130505028560
101454207005440
115107a8a41842
121b5a02b98000
13a7192136117
1450553977320
1527c62019b60
hex152957df300

1454207005440 has 576 divisors, whose sum is σ = 5937345792000. Its totient is φ = 330151182336.

The previous prime is 1454207005429. The next prime is 1454207005441. The reversal of 1454207005440 is 445007024541.

1454207005440 is a `hidden beast` number, since 1 + 4 + 5 + 4 + 207 + 0 + 0 + 5 + 440 = 666.

It is a tau number, because it is divible by the number of its divisors (576).

It is a super-2 number, since 2×14542070054402 (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 1454207005395 and 1454207005404.

It is not an unprimeable number, because it can be changed into a prime (1454207005441) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 36025909 + ... + 36066251.

It is an arithmetic number, because the mean of its divisors is an integer number (10307892000).

Almost surely, 21454207005440 is an apocalyptic number.

1454207005440 is a gapful number since it is divisible by the number (10) 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 1454207005440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2968672896000).

1454207005440 is an abundant number, since it is smaller than the sum of its proper divisors (4483138786560).

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

1454207005440 is a wasteful number, since it uses less digits than its factorization.

1454207005440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40529 (or 40509 counting only the distinct ones).

The product of its (nonzero) digits is 89600, while the sum is 36.

The spelling of 1454207005440 in words is "one trillion, four hundred fifty-four billion, two hundred seven million, five thousand, four hundred forty".