461449782480 has 80 divisors (see below), whose sum is σ = 1430620559424. Its totient is φ = 123042416640.

The previous prime is 461449782401. The next prime is 461449782503. The reversal of 461449782480 is 84287944164.

It is a tau number, because it is divible by the number of its divisors (80).

It is a self number, because there is not a number n which added to its sum of digits gives 461449782480.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2851912 + ... + 3009368.

Almost surely, 2^461449782480 is an apocalyptic number.

461449782480 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

461449782480 is an abundant number, since it is smaller than the sum of its proper divisors (969170776944).

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

461449782480 is a wasteful number, since it uses less digits than its factorization.

461449782480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 169684 (or 169678 counting only the distinct ones).

The product of its (nonzero) digits is 12386304, while the sum is 57.

The spelling of 461449782480 in words is "four hundred sixty-one billion, four hundred forty-nine million, seven hundred eighty-two thousand, four hundred eighty".