26372972580645 has 64 divisors (see below), whose sum is σ = 44649072783360. Its totient is φ = 13256010028800.

The previous prime is 26372972580613. The next prime is 26372972580653. The reversal of 26372972580645 is 54608527927362.

It is not a de Polignac number, because 26372972580645 - 2⁵ = 26372972580613 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 50794042 + ... + 51310628.

It is an arithmetic number, because the mean of its divisors is an integer number (697641762240).

Almost surely, 2^{26372972580645} is an apocalyptic number.

It is an amenable number.

26372972580645 is a deficient number, since it is larger than the sum of its proper divisors (18276100202715).

26372972580645 is a wasteful number, since it uses less digits than its factorization.

26372972580645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 517546.

The product of its (nonzero) digits is 304819200, while the sum is 66.

The spelling of 26372972580645 in words is "twenty-six trillion, three hundred seventy-two billion, nine hundred seventy-two million, five hundred eighty thousand, six hundred forty-five".