451511472 has 30 divisors (see below), whose sum is σ = 1166785068. Its totient is φ = 150454752.

The previous prime is 451511471. The next prime is 451511477. The reversal of 451511472 is 274115154.

It is not an unprimeable number, because it can be changed into a prime (451511471) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 145683 + ... + 148749.

Almost surely, 2^451511472 is an apocalyptic number.

It is an amenable number.

451511472 is an abundant number, since it is smaller than the sum of its proper divisors (715273596).

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

451511472 is an frugal number, since it uses more digits than its factorization.

451511472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6145 (or 3072 counting only the distinct ones).

The product of its digits is 5600, while the sum is 30.

The square root of 451511472 is about 21248.7993072550. The cubic root of 451511472 is about 767.1664404469.

The spelling of 451511472 in words is "four hundred fifty-one million, five hundred eleven thousand, four hundred seventy-two".