451361632 has 12 divisors (see below), whose sum is σ = 888618276. Its totient is φ = 225680800.

The previous prime is 451361629. The next prime is 451361639. The reversal of 451361632 is 236163154.

It is a junction number, because it is equal to n+sod(n) for n = 451361594 and 451361603.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (451361639) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7052494 + ... + 7052557.

It is an arithmetic number, because the mean of its divisors is an integer number (74051523).

Almost surely, 2^451361632 is an apocalyptic number.

It is an amenable number.

451361632 is a deficient number, since it is larger than the sum of its proper divisors (437256644).

451361632 is a wasteful number, since it uses less digits than its factorization.

451361632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14105061 (or 14105053 counting only the distinct ones).

The product of its digits is 12960, while the sum is 31.

The square root of 451361632 is about 21245.2731684015. The cubic root of 451361632 is about 767.0815663111.

The spelling of 451361632 in words is "four hundred fifty-one million, three hundred sixty-one thousand, six hundred thirty-two".