451451372832 has 48 divisors (see below), whose sum is σ = 1316733173280. Its totient is φ = 150483790656.

The previous prime is 451451372821. The next prime is 451451372837. The reversal of 451451372832 is 238273154154.

451451372832 is a `hidden beast` number, since 4 + 51 + 4 + 513 + 7 + 2 + 83 + 2 = 666.

It is a tau number, because it is divible by the number of its divisors (48).

It is not an unprimeable number, because it can be changed into a prime (451451372837) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 261255718 + ... + 261257445.

It is an arithmetic number, because the mean of its divisors is an integer number (27431941110).

Almost surely, 2^451451372832 is an apocalyptic number.

It is an amenable number.

451451372832 is an abundant number, since it is smaller than the sum of its proper divisors (865281800448).

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

451451372832 is a wasteful number, since it uses less digits than its factorization.

451451372832 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 522513182 (or 522513168 counting only the distinct ones).

The product of its digits is 806400, while the sum is 45.

The spelling of 451451372832 in words is "four hundred fifty-one billion, four hundred fifty-one million, three hundred seventy-two thousand, eight hundred thirty-two".