26561624032 has 24 divisors (see below), whose sum is σ = 52296947136. Its totient is φ = 13279859712.

The previous prime is 26561624021. The next prime is 26561624069. The reversal of 26561624032 is 23042616562.

It is a junction number, because it is equal to n+sod(n) for n = 26561623982 and 26561624000.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 695088 + ... + 732304.

It is an arithmetic number, because the mean of its divisors is an integer number (2179039464).

Almost surely, 2^26561624032 is an apocalyptic number.

It is an amenable number.

26561624032 is a deficient number, since it is larger than the sum of its proper divisors (25735323104).

26561624032 is a wasteful number, since it uses less digits than its factorization.

26561624032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59530 (or 59522 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 37.

The spelling of 26561624032 in words is "twenty-six billion, five hundred sixty-one million, six hundred twenty-four thousand, thirty-two".