6635265456 has 40 divisors (see below), whose sum is σ = 17172853744. Its totient is φ = 2207658240.

The previous prime is 6635265449. The next prime is 6635265473. The reversal of 6635265456 is 6545625366.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 101791 + ... + 153726.

Almost surely, 2^6635265456 is an apocalyptic number.

It is an amenable number.

6635265456 is an abundant number, since it is smaller than the sum of its proper divisors (10537588288).

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

6635265456 is a wasteful number, since it uses less digits than its factorization.

6635265456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 256069 (or 256063 counting only the distinct ones).

The product of its digits is 3888000, while the sum is 48.

The square root of 6635265456 is about 81457.1387663475. The cubic root of 6635265456 is about 1879.1124390474.

The spelling of 6635265456 in words is "six billion, six hundred thirty-five million, two hundred sixty-five thousand, four hundred fifty-six".