452423634221220 has 48 divisors (see below), whose sum is σ = 1273784994500928. Its totient is φ = 119979748298880.

The previous prime is 452423634221219. The next prime is 452423634221227. The reversal of 452423634221220 is 22122436324254.

It is not an unprimeable number, because it can be changed into a prime (452423634221227) 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, 20829806554 + ... + 20829828273.

It is an arithmetic number, because the mean of its divisors is an integer number (26537187385436).

Almost surely, 2^{452423634221220} is an apocalyptic number.

It is an amenable number.

452423634221220 is an abundant number, since it is smaller than the sum of its proper divisors (821361360279708).

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

452423634221220 is a wasteful number, since it uses less digits than its factorization.

452423634221220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41659635020 (or 41659635018 counting only the distinct ones).

The product of its (nonzero) digits is 1105920, while the sum is 42.

The spelling of 452423634221220 in words is "four hundred fifty-two trillion, four hundred twenty-three billion, six hundred thirty-four million, two hundred twenty-one thousand, two hundred twenty".