452278464 has 56 divisors (see below), whose sum is σ = 1305446208. Its totient is φ = 137053440.

The previous prime is 452278447. The next prime is 452278469. The reversal of 452278464 is 464872254.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (452278469) 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, 104962 + ... + 109185.

Almost surely, 2^452278464 is an apocalyptic number.

452278464 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

452278464 is an abundant number, since it is smaller than the sum of its proper divisors (853167744).

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

452278464 is a wasteful number, since it uses less digits than its factorization.

452278464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 214173 (or 214163 counting only the distinct ones).

The product of its digits is 430080, while the sum is 42.

The square root of 452278464 is about 21266.8395395273. The cubic root of 452278464 is about 767.6005952737.

The spelling of 452278464 in words is "four hundred fifty-two million, two hundred seventy-eight thousand, four hundred sixty-four".