454681956 has 12 divisors (see below), whose sum is σ = 1060924592. Its totient is φ = 151560648.

The previous prime is 454681943. The next prime is 454681961. The reversal of 454681956 is 659186454.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×454681956² = 413471362223971872, which contains 22 as substring.

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, 18945070 + ... + 18945093.

Almost surely, 2^454681956 is an apocalyptic number.

It is an amenable number.

454681956 is an abundant number, since it is smaller than the sum of its proper divisors (606242636).

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

454681956 is a wasteful number, since it uses less digits than its factorization.

454681956 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37890170 (or 37890168 counting only the distinct ones).

The product of its digits is 1036800, while the sum is 48.

The square root of 454681956 is about 21323.2726381294. The cubic root of 454681956 is about 768.9579179298.

The spelling of 454681956 in words is "four hundred fifty-four million, six hundred eighty-one thousand, nine hundred fifty-six".