457349988 has 48 divisors (see below), whose sum is σ = 1125232640. Its totient is φ = 144180000.

The previous prime is 457349953. The next prime is 457350017. The reversal of 457349988 is 889943754.

It is a Harshad number since it is a multiple of its sum of digits (57).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 169893 + ... + 172563.

Almost surely, 2^457349988 is an apocalyptic number.

It is an amenable number.

457349988 is an abundant number, since it is smaller than the sum of its proper divisors (667882652).

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

457349988 is a wasteful number, since it uses less digits than its factorization.

457349988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3448 (or 3446 counting only the distinct ones).

The product of its digits is 8709120, while the sum is 57.

The square root of 457349988 is about 21385.7426338203. The cubic root of 457349988 is about 770.4590437608.

The spelling of 457349988 in words is "four hundred fifty-seven million, three hundred forty-nine thousand, nine hundred eighty-eight".