26479031880 has 64 divisors (see below), whose sum is σ = 90785255040. Its totient is φ = 6052349952.

The previous prime is 26479031863. The next prime is 26479031893. The reversal of 26479031880 is 8813097462.

It is a super-2 number, since 2×26479031880² (a number of 22 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (48) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15760489 + ... + 15762168.

It is an arithmetic number, because the mean of its divisors is an integer number (1418519610).

Almost surely, 2^26479031880 is an apocalyptic number.

26479031880 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

26479031880 is an abundant number, since it is smaller than the sum of its proper divisors (64306223160).

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

26479031880 is a wasteful number, since it uses less digits than its factorization.

26479031880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31522678 (or 31522674 counting only the distinct ones).

The product of its (nonzero) digits is 580608, while the sum is 48.

The spelling of 26479031880 in words is "twenty-six billion, four hundred seventy-nine million, thirty-one thousand, eight hundred eighty".