457538780 has 24 divisors (see below), whose sum is σ = 963875808. Its totient is φ = 182435648.

The previous prime is 457538777. The next prime is 457538789. The reversal of 457538780 is 87835754.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (457538789) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29744 + ... + 42423.

It is an arithmetic number, because the mean of its divisors is an integer number (40161492).

Almost surely, 2^457538780 is an apocalyptic number.

It is an amenable number.

457538780 is an abundant number, since it is smaller than the sum of its proper divisors (506337028).

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

457538780 is a wasteful number, since it uses less digits than its factorization.

457538780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72493 (or 72491 counting only the distinct ones).

The product of its (nonzero) digits is 940800, while the sum is 47.

The square root of 457538780 is about 21390.1561471626. The cubic root of 457538780 is about 770.5650431760.

The spelling of 457538780 in words is "four hundred fifty-seven million, five hundred thirty-eight thousand, seven hundred eighty".