455955840 has 96 divisors (see below), whose sum is σ = 1574492400. Its totient is φ = 121586688.

The previous prime is 455955839. The next prime is 455955869. The reversal of 455955840 is 48559554.

455955840 is a `hidden beast` number, since 4 + 5 + 59 + 558 + 40 = 666.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 33820 + ... + 45339.

Almost surely, 2^455955840 is an apocalyptic number.

455955840 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

455955840 is an abundant number, since it is smaller than the sum of its proper divisors (1118536560).

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

455955840 is a wasteful number, since it uses less digits than its factorization.

455955840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79184 (or 79169 counting only the distinct ones).

The product of its (nonzero) digits is 720000, while the sum is 45.

The square root of 455955840 is about 21353.1224882920. The cubic root of 455955840 is about 769.6753789898.

The spelling of 455955840 in words is "four hundred fifty-five million, nine hundred fifty-five thousand, eight hundred forty".