65820455272 has 64 divisors (see below), whose sum is σ = 152620171200. Its totient is φ = 26163440640.

The previous prime is 65820455263. The next prime is 65820455303. The reversal of 65820455272 is 27255402856.

65820455272 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a hoax number, since the sum of its digits (46) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1492353 + ... + 1535824.

It is an arithmetic number, because the mean of its divisors is an integer number (2384690175).

Almost surely, 2^65820455272 is an apocalyptic number.

It is an amenable number.

65820455272 is an abundant number, since it is smaller than the sum of its proper divisors (86799715928).

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

65820455272 is a wasteful number, since it uses less digits than its factorization.

65820455272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3028226 (or 3028222 counting only the distinct ones).

The product of its (nonzero) digits is 1344000, while the sum is 46.

The spelling of 65820455272 in words is "sixty-five billion, eight hundred twenty million, four hundred fifty-five thousand, two hundred seventy-two".