452881816 has 8 divisors (see below), whose sum is σ = 849153420. Its totient is φ = 226440904.

The previous prime is 452881783. The next prime is 452881837. The reversal of 452881816 is 618188254.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28305106 + ... + 28305121.

Almost surely, 2^452881816 is an apocalyptic number.

It is an amenable number.

452881816 is a deficient number, since it is larger than the sum of its proper divisors (396271604).

452881816 is a wasteful number, since it uses less digits than its factorization.

452881816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56610233 (or 56610229 counting only the distinct ones).

The product of its digits is 122880, while the sum is 43.

The square root of 452881816 is about 21281.0200883322. The cubic root of 452881816 is about 767.9417770894.

The spelling of 452881816 in words is "four hundred fifty-two million, eight hundred eighty-one thousand, eight hundred sixteen".