491367600 has 120 divisors (see below), whose sum is σ = 1748943120. Its totient is φ = 131028480.

The previous prime is 491367587. The next prime is 491367623. The reversal of 491367600 is 6763194.

491367600 is a `hidden beast` number, since 49 + 1 + 3 + 6 + 7 + 600 = 666.

It is a tau number, because it is divible by the number of its divisors (120).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11949 + ... + 33548.

It is an arithmetic number, because the mean of its divisors is an integer number (14574526).

Almost surely, 2^491367600 is an apocalyptic number.

491367600 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

491367600 is an abundant number, since it is smaller than the sum of its proper divisors (1257575520).

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

491367600 is a wasteful number, since it uses less digits than its factorization.

491367600 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45524 (or 45507 counting only the distinct ones).

The product of its (nonzero) digits is 27216, while the sum is 36.

The square root of 491367600 is about 22166.8130320982. The cubic root of 491367600 is about 789.1062905279.

The spelling of 491367600 in words is "four hundred ninety-one million, three hundred sixty-seven thousand, six hundred".