452439900 has 216 divisors, whose sum is σ = 1615146624. Its totient is φ = 104860800.

The previous prime is 452439899. The next prime is 452439943. The reversal of 452439900 is 9934254.

It is a super-2 number, since 2×452439900² = 409403726224020000, which contains 22 as substring.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 226707 + ... + 228693.

Almost surely, 2^452439900 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 452439900, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (807573312).

452439900 is an abundant number, since it is smaller than the sum of its proper divisors (1162706724).

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

452439900 is a wasteful number, since it uses less digits than its factorization.

452439900 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2041 (or 2031 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 36.

The square root of 452439900 is about 21270.6346872866. The cubic root of 452439900 is about 767.6919133728.

The spelling of 452439900 in words is "four hundred fifty-two million, four hundred thirty-nine thousand, nine hundred".