26938574620 has 24 divisors (see below), whose sum is σ = 57252588624. Its totient is φ = 10645604736.

The previous prime is 26938574563. The next prime is 26938574639. The reversal of 26938574620 is 2647583962.

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, 8112369 + ... + 8115688.

It is an arithmetic number, because the mean of its divisors is an integer number (2385524526).

Almost surely, 2^26938574620 is an apocalyptic number.

26938574620 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

26938574620 is an abundant number, since it is smaller than the sum of its proper divisors (30314014004).

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

26938574620 is a wasteful number, since it uses less digits than its factorization.

26938574620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16228149 (or 16228147 counting only the distinct ones).

The product of its (nonzero) digits is 4354560, while the sum is 52.

The spelling of 26938574620 in words is "twenty-six billion, nine hundred thirty-eight million, five hundred seventy-four thousand, six hundred twenty".