452439628 has 12 divisors (see below), whose sum is σ = 833441560. Its totient is φ = 214313472.

The previous prime is 452439583. The next prime is 452439629. The reversal of 452439628 is 826934254.

It is a hoax number, since the sum of its digits (43) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (452439629) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2976501 + ... + 2976652.

Almost surely, 2^452439628 is an apocalyptic number.

It is an amenable number.

452439628 is a deficient number, since it is larger than the sum of its proper divisors (381001932).

452439628 is a wasteful number, since it uses less digits than its factorization.

452439628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5953176 (or 5953174 counting only the distinct ones).

The product of its digits is 414720, while the sum is 43.

The square root of 452439628 is about 21270.6282934943. The cubic root of 452439628 is about 767.6917595312.

The spelling of 452439628 in words is "four hundred fifty-two million, four hundred thirty-nine thousand, six hundred twenty-eight".