452181504 has 80 divisors (see below), whose sum is σ = 1275574608. Its totient is φ = 141852672.

The previous prime is 452181479. The next prime is 452181517. The reversal of 452181504 is 405181254.

It is a super-2 number, since 2×452181504² = 408936225119404032, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17454 + ... + 34770.

Almost surely, 2^452181504 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 452181504, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (637787304).

452181504 is an abundant number, since it is smaller than the sum of its proper divisors (823393104).

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

452181504 is a wasteful number, since it uses less digits than its factorization.

452181504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17355 (or 17339 counting only the distinct ones).

The product of its (nonzero) digits is 6400, while the sum is 30.

The square root of 452181504 is about 21264.5598120441. The cubic root of 452181504 is about 767.5457383077.

The spelling of 452181504 in words is "four hundred fifty-two million, one hundred eighty-one thousand, five hundred four".