461615389312 has 64 divisors (see below), whose sum is σ = 1146544741440. Its totient is φ = 179850147840.

The previous prime is 461615389303. The next prime is 461615389349. The reversal of 461615389312 is 213983516164.

It is a tau number, because it is divible by the number of its divisors (64).

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, 23408133 + ... + 23427844.

It is an arithmetic number, because the mean of its divisors is an integer number (17914761585).

Almost surely, 2^461615389312 is an apocalyptic number.

It is an amenable number.

461615389312 is an abundant number, since it is smaller than the sum of its proper divisors (684929352128).

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

461615389312 is a wasteful number, since it uses less digits than its factorization.

461615389312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46836009 (or 46835997 counting only the distinct ones).

The product of its digits is 933120, while the sum is 49.

The spelling of 461615389312 in words is "four hundred sixty-one billion, six hundred fifteen million, three hundred eighty-nine thousand, three hundred twelve".