451341864 has 24 divisors (see below), whose sum is σ = 1222384410. Its totient is φ = 150447264.

The previous prime is 451341853. The next prime is 451341923. The reversal of 451341864 is 468143154.

It can be written as a sum of positive squares in only one way, i.e., 333792900 + 117548964 = 18270^2 + 10842^2 .

It is a tau number, because it is divible by the number of its divisors (24).

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

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3134247 + ... + 3134390.

Almost surely, 2^451341864 is an apocalyptic number.

It is an amenable number.

451341864 is an abundant number, since it is smaller than the sum of its proper divisors (771042546).

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

451341864 is a wasteful number, since it uses less digits than its factorization.

451341864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6268649 (or 6268642 counting only the distinct ones).

The product of its digits is 46080, while the sum is 36.

The square root of 451341864 is about 21244.8079304097. The cubic root of 451341864 is about 767.0703676855.

The spelling of 451341864 in words is "four hundred fifty-one million, three hundred forty-one thousand, eight hundred sixty-four".