457655816 has 8 divisors (see below), whose sum is σ = 858104670. Its totient is φ = 228827904.

The previous prime is 457655801. The next prime is 457655819. The reversal of 457655816 is 618556754.

It can be written as a sum of positive squares in only one way, i.e., 455822500 + 1833316 = 21350^2 + 1354^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (457655819) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28603481 + ... + 28603496.

Almost surely, 2^457655816 is an apocalyptic number.

It is an amenable number.

457655816 is a deficient number, since it is larger than the sum of its proper divisors (400448854).

457655816 is a wasteful number, since it uses less digits than its factorization.

457655816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57206983 (or 57206979 counting only the distinct ones).

The product of its digits is 1008000, while the sum is 47.

The square root of 457655816 is about 21392.8917166427. The cubic root of 457655816 is about 770.6307397289.

The spelling of 457655816 in words is "four hundred fifty-seven million, six hundred fifty-five thousand, eight hundred sixteen".