455855621232 has 80 divisors (see below), whose sum is σ = 1291340706048. Its totient is φ = 137422295040.

The previous prime is 455855621219. The next prime is 455855621279. The reversal of 455855621232 is 232126558554.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

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, 2134788 + ... + 2338595.

Almost surely, 2^455855621232 is an apocalyptic number.

It is an amenable number.

455855621232 is an abundant number, since it is smaller than the sum of its proper divisors (835485084816).

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

455855621232 is a wasteful number, since it uses less digits than its factorization.

455855621232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4473598 (or 4473592 counting only the distinct ones).

The product of its digits is 2880000, while the sum is 48.

The spelling of 455855621232 in words is "four hundred fifty-five billion, eight hundred fifty-five million, six hundred twenty-one thousand, two hundred thirty-two".