457889340 has 24 divisors (see below), whose sum is σ = 1282090320. Its totient is φ = 122103808.

The previous prime is 457889329. The next prime is 457889357. The reversal of 457889340 is 43988754.

It is a hoax number, since the sum of its digits (48) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 457889340.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3815685 + ... + 3815804.

It is an arithmetic number, because the mean of its divisors is an integer number (53420430).

Almost surely, 2^457889340 is an apocalyptic number.

It is an amenable number.

457889340 is an abundant number, since it is smaller than the sum of its proper divisors (824200980).

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

457889340 is a wasteful number, since it uses less digits than its factorization.

457889340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7631501 (or 7631499 counting only the distinct ones).

The product of its (nonzero) digits is 967680, while the sum is 48.

The square root of 457889340 is about 21398.3490017338. The cubic root of 457889340 is about 770.7617917599.

The spelling of 457889340 in words is "four hundred fifty-seven million, eight hundred eighty-nine thousand, three hundred forty".