451904982 has 16 divisors (see below), whose sum is σ = 956975472. Its totient is φ = 141774080.

The previous prime is 451904969. The next prime is 451904983. The reversal of 451904982 is 289409154.

It is a super-2 number, since 2×451904982² = 408436225512840648, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (451904983) 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, 2215119 + ... + 2215322.

It is an arithmetic number, because the mean of its divisors is an integer number (59810967).

Almost surely, 2^451904982 is an apocalyptic number.

451904982 is an abundant number, since it is smaller than the sum of its proper divisors (505070490).

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

451904982 is a wasteful number, since it uses less digits than its factorization.

451904982 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4430463.

The product of its (nonzero) digits is 103680, while the sum is 42.

The square root of 451904982 is about 21258.0568726307. The cubic root of 451904982 is about 767.3892476362.

The spelling of 451904982 in words is "four hundred fifty-one million, nine hundred four thousand, nine hundred eighty-two".