457505378 has 32 divisors (see below), whose sum is σ = 776908800. Its totient is φ = 200178000.

The previous prime is 457505341. The next prime is 457505393. The reversal of 457505378 is 873505754.

It is a happy number.

It is a super-2 number, since 2×457505378² = 418622341797845768, which contains 22 as substring.

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, 134033 + ... + 137403.

It is an arithmetic number, because the mean of its divisors is an integer number (24278400).

Almost surely, 2^457505378 is an apocalyptic number.

457505378 is a deficient number, since it is larger than the sum of its proper divisors (319403422).

457505378 is a wasteful number, since it uses less digits than its factorization.

457505378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3614.

The product of its (nonzero) digits is 588000, while the sum is 44.

The square root of 457505378 is about 21389.3753531981. The cubic root of 457505378 is about 770.5462913666.

The spelling of 457505378 in words is "four hundred fifty-seven million, five hundred five thousand, three hundred seventy-eight".