454929816 has 32 divisors (see below), whose sum is σ = 1240718400. Its totient is φ = 137857440.

The previous prime is 454929803. The next prime is 454929821. The reversal of 454929816 is 618929454.

It is a super-2 number, since 2×454929816² = 413922274971587712, which contains 22 as substring.

It is an alternating number because its digits alternate between even and odd.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 861346 + ... + 861873.

It is an arithmetic number, because the mean of its divisors is an integer number (38772450).

Almost surely, 2^454929816 is an apocalyptic number.

It is an amenable number.

454929816 is an abundant number, since it is smaller than the sum of its proper divisors (785788584).

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

454929816 is a wasteful number, since it uses less digits than its factorization.

454929816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1723239 (or 1723235 counting only the distinct ones).

The product of its digits is 622080, while the sum is 48.

The square root of 454929816 is about 21329.0838059210. The cubic root of 454929816 is about 769.0976194543.

The spelling of 454929816 in words is "four hundred fifty-four million, nine hundred twenty-nine thousand, eight hundred sixteen".