26504527872 has 136 divisors (see below), whose sum is σ = 71363440944. Its totient is φ = 8749318144.

The previous prime is 26504527817. The next prime is 26504527883. The reversal of 26504527872 is 27872540562.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22216108 + ... + 22217300.

Almost surely, 2^26504527872 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 26504527872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35681720472).

26504527872 is an abundant number, since it is smaller than the sum of its proper divisors (44858913072).

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

26504527872 is an equidigital number, since it uses as much as digits as its factorization.

26504527872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1341 (or 1311 counting only the distinct ones).

The product of its (nonzero) digits is 1881600, while the sum is 48.

The spelling of 26504527872 in words is "twenty-six billion, five hundred four million, five hundred twenty-seven thousand, eight hundred seventy-two".