454188916 has 12 divisors (see below), whose sum is σ = 795197088. Its totient is φ = 226989752.

The previous prime is 454188907. The next prime is 454188929. The reversal of 454188916 is 619881454.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15976 + ... + 34111.

It is an arithmetic number, because the mean of its divisors is an integer number (66266424).

Almost surely, 2^454188916 is an apocalyptic number.

It is an amenable number.

454188916 is a deficient number, since it is larger than the sum of its proper divisors (341008172).

454188916 is a wasteful number, since it uses less digits than its factorization.

454188916 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52358 (or 52356 counting only the distinct ones).

The product of its digits is 276480, while the sum is 46.

The square root of 454188916 is about 21311.7084251826. The cubic root of 454188916 is about 768.6798743974.

The spelling of 454188916 in words is "four hundred fifty-four million, one hundred eighty-eight thousand, nine hundred sixteen".