453872420056 has 24 divisors (see below), whose sum is σ = 935408553660. Its totient is φ = 206305645040.

The previous prime is 453872420009. The next prime is 453872420059. The reversal of 453872420056 is 650024278354.

It is a super-2 number, since 2×453872420056² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 453872419988 and 453872420015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (453872420059) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 234437266 + ... + 234439201.

Almost surely, 2^453872420056 is an apocalyptic number.

It is an amenable number.

453872420056 is an abundant number, since it is smaller than the sum of its proper divisors (481536133604).

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

453872420056 is a wasteful number, since it uses less digits than its factorization.

453872420056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 468876495 (or 468876480 counting only the distinct ones).

The product of its (nonzero) digits is 1612800, while the sum is 46.

The spelling of 453872420056 in words is "four hundred fifty-three billion, eight hundred seventy-two million, four hundred twenty thousand, fifty-six".