26813056420 has 48 divisors (see below), whose sum is σ = 56853720000. Its totient is φ = 10621503360.

The previous prime is 26813056399. The next prime is 26813056427. The reversal of 26813056420 is 2465031862.

It is a self number, because there is not a number n which added to its sum of digits gives 26813056420.

It is not an unprimeable number, because it can be changed into a prime (26813056427) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1297126 + ... + 1317634.

It is an arithmetic number, because the mean of its divisors is an integer number (1184452500).

Almost surely, 2^26813056420 is an apocalyptic number.

26813056420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

26813056420 is an abundant number, since it is smaller than the sum of its proper divisors (30040663580).

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

26813056420 is a wasteful number, since it uses less digits than its factorization.

26813056420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21148 (or 21146 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 37.

It can be divided in two parts, 2681 and 3056420, that added together give a triangular number (3059101 = T₂₄₇₃).

The spelling of 26813056420 in words is "twenty-six billion, eight hundred thirteen million, fifty-six thousand, four hundred twenty".