26604644006426 has 8 divisors (see below), whose sum is σ = 39907357173684. Its totient is φ = 13302191615200.

The previous prime is 26604644006411. The next prime is 26604644006443. The reversal of 26604644006426 is 62460044640662.

It can be written as a sum of positive squares in 2 ways, for example, as 20392910254201 + 6211733752225 = 4515851^2 + 2492335^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

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, 64938755 + ... + 65347158.

Almost surely, 2^{26604644006426} is an apocalyptic number.

26604644006426 is a deficient number, since it is larger than the sum of its proper divisors (13302713167258).

26604644006426 is a wasteful number, since it uses less digits than its factorization.

26604644006426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130388016.

The product of its (nonzero) digits is 7962624, while the sum is 50.

The spelling of 26604644006426 in words is "twenty-six trillion, six hundred four billion, six hundred forty-four million, six thousand, four hundred twenty-six".