26930290520 has 32 divisors (see below), whose sum is σ = 69249319200. Its totient is φ = 9233242368.

The previous prime is 26930290481. The next prime is 26930290537. The reversal of 26930290520 is 2509203962.

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, 48089525 + ... + 48090084.

It is an arithmetic number, because the mean of its divisors is an integer number (2164041225).

Almost surely, 2^26930290520 is an apocalyptic number.

26930290520 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

26930290520 is an abundant number, since it is smaller than the sum of its proper divisors (42319028680).

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

26930290520 is a wasteful number, since it uses less digits than its factorization.

26930290520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96179627 (or 96179623 counting only the distinct ones).

The product of its (nonzero) digits is 58320, while the sum is 38.

The spelling of 26930290520 in words is "twenty-six billion, nine hundred thirty million, two hundred ninety thousand, five hundred twenty".