25496526944 has 48 divisors (see below), whose sum is σ = 57392139168. Its totient is φ = 10922330112.

The previous prime is 25496526943. The next prime is 25496526947. The reversal of 25496526944 is 44962569452.

It is a super-2 number, since 2×25496526944² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (56).

It is a self number, because there is not a number n which added to its sum of digits gives 25496526944.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25496526943) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 517862 + ... + 564954.

It is an arithmetic number, because the mean of its divisors is an integer number (1195669566).

Almost surely, 2^25496526944 is an apocalyptic number.

It is an amenable number.

25496526944 is an abundant number, since it is smaller than the sum of its proper divisors (31895612224).

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

25496526944 is a wasteful number, since it uses less digits than its factorization.

25496526944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49527 (or 49519 counting only the distinct ones).

The product of its digits is 18662400, while the sum is 56.

The spelling of 25496526944 in words is "twenty-five billion, four hundred ninety-six million, five hundred twenty-six thousand, nine hundred forty-four".