461169840 has 80 divisors (see below), whose sum is σ = 1462906368. Its totient is φ = 120115968.

The previous prime is 461169827. The next prime is 461169851. The reversal of 461169840 is 48961164.

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

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, 12024 + ... + 32663.

Almost surely, 2^461169840 is an apocalyptic number.

461169840 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

461169840 is an abundant number, since it is smaller than the sum of its proper divisors (1001736528).

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

461169840 is a wasteful number, since it uses less digits than its factorization.

461169840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44746 (or 44740 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 39.

The square root of 461169840 is about 21474.8653080759. The cubic root of 461169840 is about 772.5980939728.

The spelling of 461169840 in words is "four hundred sixty-one million, one hundred sixty-nine thousand, eight hundred forty".