455776338021 has 16 divisors (see below), whose sum is σ = 628721524800. Its totient is φ = 293343171968.

The previous prime is 455776338013. The next prime is 455776338041. The reversal of 455776338021 is 120833677554.

It is not a de Polignac number, because 455776338021 - 2³ = 455776338013 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (455776338041) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 600010 + ... + 1127636.

It is an arithmetic number, because the mean of its divisors is an integer number (39295095300).

Almost surely, 2^455776338021 is an apocalyptic number.

It is an amenable number.

455776338021 is a deficient number, since it is larger than the sum of its proper divisors (172945186779).

455776338021 is a wasteful number, since it uses less digits than its factorization.

455776338021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 537588.

The product of its (nonzero) digits is 4233600, while the sum is 51.

The spelling of 455776338021 in words is "four hundred fifty-five billion, seven hundred seventy-six million, three hundred thirty-eight thousand, twenty-one".