449291564283680 has 48 divisors (see below), whose sum is σ = 1077293877670080. Its totient is φ = 177034288012032.

The previous prime is 449291564283607. The next prime is 449291564283739. The reversal of 449291564283680 is 86382465192944.

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, 20955752540 + ... + 20955773979.

It is an arithmetic number, because the mean of its divisors is an integer number (22443622451460).

Almost surely, 2^{449291564283680} is an apocalyptic number.

449291564283680 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

449291564283680 is an abundant number, since it is smaller than the sum of its proper divisors (628002313386400).

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

449291564283680 is a wasteful number, since it uses less digits than its factorization.

449291564283680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41911526601 (or 41911526593 counting only the distinct ones).

The product of its (nonzero) digits is 716636160, while the sum is 71.

The spelling of 449291564283680 in words is "four hundred forty-nine trillion, two hundred ninety-one billion, five hundred sixty-four million, two hundred eighty-three thousand, six hundred eighty".