26915471264 has 24 divisors (see below), whose sum is σ = 57807092448. Its totient is φ = 12234304960.

The previous prime is 26915471257. The next prime is 26915471291. The reversal of 26915471264 is 46217451962.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38231852 + ... + 38232555.

It is an arithmetic number, because the mean of its divisors is an integer number (2408628852).

Almost surely, 2^26915471264 is an apocalyptic number.

It is an amenable number.

26915471264 is an abundant number, since it is smaller than the sum of its proper divisors (30891621184).

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

26915471264 is a wasteful number, since it uses less digits than its factorization.

26915471264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76464428 (or 76464420 counting only the distinct ones).

The product of its digits is 725760, while the sum is 47.

The spelling of 26915471264 in words is "twenty-six billion, nine hundred fifteen million, four hundred seventy-one thousand, two hundred sixty-four".