457421250 has 160 divisors (see below), whose sum is σ = 1344619584. Its totient is φ = 102240000.

The previous prime is 457421231. The next prime is 457421291. The reversal of 457421250 is 52124754.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 535824 + ... + 536676.

Almost surely, 2^457421250 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 457421250, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (672309792).

457421250 is an abundant number, since it is smaller than the sum of its proper divisors (887198334).

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

457421250 is a wasteful number, since it uses less digits than its factorization.

457421250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 902 (or 887 counting only the distinct ones).

The product of its (nonzero) digits is 11200, while the sum is 30.

The square root of 457421250 is about 21387.4086789400. The cubic root of 457421250 is about 770.4990580478.

The spelling of 457421250 in words is "four hundred fifty-seven million, four hundred twenty-one thousand, two hundred fifty".