452622728 has 16 divisors (see below), whose sum is σ = 860621760. Its totient is φ = 223123600.

The previous prime is 452622707. The next prime is 452622763. The reversal of 452622728 is 827226254.

It is a junction number, because it is equal to n+sod(n) for n = 452622691 and 452622700.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 397868 + ... + 399003.

It is an arithmetic number, because the mean of its divisors is an integer number (53788860).

Almost surely, 2^452622728 is an apocalyptic number.

It is an amenable number.

452622728 is a deficient number, since it is larger than the sum of its proper divisors (407999032).

452622728 is a wasteful number, since it uses less digits than its factorization.

452622728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 796948 (or 796944 counting only the distinct ones).

The product of its digits is 107520, while the sum is 38.

The square root of 452622728 is about 21274.9319152847. The cubic root of 452622728 is about 767.7953058719.

The spelling of 452622728 in words is "four hundred fifty-two million, six hundred twenty-two thousand, seven hundred twenty-eight".