461561824 has 24 divisors (see below), whose sum is σ = 912717288. Its totient is φ = 229760640.

The previous prime is 461561809. The next prime is 461561831. The reversal of 461561824 is 428165164.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24507 + ... + 39034.

It is an arithmetic number, because the mean of its divisors is an integer number (38029887).

Almost surely, 2^461561824 is an apocalyptic number.

It is an amenable number.

461561824 is a deficient number, since it is larger than the sum of its proper divisors (451155464).

461561824 is a wasteful number, since it uses less digits than its factorization.

461561824 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63778 (or 63770 counting only the distinct ones).

The product of its digits is 46080, while the sum is 37.

The square root of 461561824 is about 21483.9899460040. The cubic root of 461561824 is about 772.8169289886.

The spelling of 461561824 in words is "four hundred sixty-one million, five hundred sixty-one thousand, eight hundred twenty-four".