26004642600426 has 16 divisors (see below), whose sum is σ = 59439183086784. Its totient is φ = 7429897885824.

The previous prime is 26004642600421. The next prime is 26004642600457. The reversal of 26004642600426 is 62400624640062.

It is a Harshad number since it is a multiple of its sum of digits (42), and also a Moran number because the ratio is a prime number: 619158157153 = 26004642600426 / (2 + 6 + 0 + 0 + 4 + 6 + 4 + 2 + 6 + 0 + 0 + 4 + 2 + 6).

It is not an unprimeable number, because it can be changed into a prime (26004642600421) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 309579078535 + ... + 309579078618.

It is an arithmetic number, because the mean of its divisors is an integer number (3714948942924).

Almost surely, 2^{26004642600426} is an apocalyptic number.

26004642600426 is an abundant number, since it is smaller than the sum of its proper divisors (33434540486358).

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

26004642600426 is a wasteful number, since it uses less digits than its factorization.

26004642600426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 619158157165.

The product of its (nonzero) digits is 663552, while the sum is 42.

The spelling of 26004642600426 in words is "twenty-six trillion, four billion, six hundred forty-two million, six hundred thousand, four hundred twenty-six".