457253628 has 24 divisors (see below), whose sum is σ = 1148996688. Its totient is φ = 140693376.

The previous prime is 457253623. The next prime is 457253651. The reversal of 457253628 is 826352754.

It is a self number, because there is not a number n which added to its sum of digits gives 457253628.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (457253623) 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, 1465401 + ... + 1465712.

It is an arithmetic number, because the mean of its divisors is an integer number (47874862).

Almost surely, 2^457253628 is an apocalyptic number.

It is an amenable number.

457253628 is an abundant number, since it is smaller than the sum of its proper divisors (691743060).

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

457253628 is a wasteful number, since it uses less digits than its factorization.

457253628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2931133 (or 2931131 counting only the distinct ones).

The product of its digits is 403200, while the sum is 42.

The square root of 457253628 is about 21383.4896123154. The cubic root of 457253628 is about 770.4049300987.

The spelling of 457253628 in words is "four hundred fifty-seven million, two hundred fifty-three thousand, six hundred twenty-eight".