26452591956 has 96 divisors (see below), whose sum is σ = 78417319680. Its totient is φ = 7554097152.

The previous prime is 26452591877. The next prime is 26452591967. The reversal of 26452591956 is 65919525462.

26452591956 is a `hidden beast` number, since 2 + 6 + 45 + 2 + 591 + 9 + 5 + 6 = 666.

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1728916 + ... + 1744148.

It is an arithmetic number, because the mean of its divisors is an integer number (816847080).

Almost surely, 2^26452591956 is an apocalyptic number.

It is an amenable number.

26452591956 is an abundant number, since it is smaller than the sum of its proper divisors (51964727724).

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

26452591956 is a wasteful number, since it uses less digits than its factorization.

26452591956 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17550 (or 17542 counting only the distinct ones).

The product of its digits is 5832000, while the sum is 54.

The spelling of 26452591956 in words is "twenty-six billion, four hundred fifty-two million, five hundred ninety-one thousand, nine hundred fifty-six".