26715102420 has 24 divisors (see below), whose sum is σ = 74802286944. Its totient is φ = 7124027296.

The previous prime is 26715102413. The next prime is 26715102433. The reversal of 26715102420 is 2420151762.

It is a super-2 number, since 2×26715102420² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 222625794 + ... + 222625913.

It is an arithmetic number, because the mean of its divisors is an integer number (3116761956).

Almost surely, 2^26715102420 is an apocalyptic number.

26715102420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

26715102420 is an abundant number, since it is smaller than the sum of its proper divisors (48087184524).

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

26715102420 is a wasteful number, since it uses less digits than its factorization.

26715102420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 445251719 (or 445251717 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 30.

The spelling of 26715102420 in words is "twenty-six billion, seven hundred fifteen million, one hundred two thousand, four hundred twenty".