451004005980 has 144 divisors (see below), whose sum is σ = 1492651087200. Its totient is φ = 109316881920.

The previous prime is 451004005939. The next prime is 451004005999. The reversal of 451004005980 is 89500400154.

It is a super-2 number, since 2×451004005980² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 15962506 + ... + 15990734.

It is an arithmetic number, because the mean of its divisors is an integer number (10365632550).

Almost surely, 2^451004005980 is an apocalyptic number.

It is an amenable number.

451004005980 is an abundant number, since it is smaller than the sum of its proper divisors (1041647081220).

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

451004005980 is a wasteful number, since it uses less digits than its factorization.

451004005980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36324 (or 36319 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 36.

The spelling of 451004005980 in words is "four hundred fifty-one billion, four million, five thousand, nine hundred eighty".