26207502972 has 24 divisors (see below), whose sum is σ = 69886674816. Its totient is φ = 7487857968.

The previous prime is 26207502953. The next prime is 26207502983. The reversal of 26207502972 is 27920570262.

It is a Harshad number since it is a multiple of its sum of digits (42).

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, 155996958 + ... + 155997125.

It is an arithmetic number, because the mean of its divisors is an integer number (2911944784).

Almost surely, 2^26207502972 is an apocalyptic number.

It is an amenable number.

26207502972 is an abundant number, since it is smaller than the sum of its proper divisors (43679171844).

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

26207502972 is a wasteful number, since it uses less digits than its factorization.

26207502972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 311994097 (or 311994095 counting only the distinct ones).

The product of its (nonzero) digits is 211680, while the sum is 42.

The spelling of 26207502972 in words is "twenty-six billion, two hundred seven million, five hundred two thousand, nine hundred seventy-two".