461356735572 has 18 divisors (see below), whose sum is σ = 1166207303898. Its totient is φ = 153785578512.

The previous prime is 461356735549. The next prime is 461356735597. The reversal of 461356735572 is 275537653164.

461356735572 is a `hidden beast` number, since 4 + 6 + 1 + 3 + 5 + 67 + 3 + 5 + 572 = 666.

It can be written as a sum of positive squares in only one way, i.e., 390432523716 + 70924211856 = 624846^2 + 266316^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6407732403 + ... + 6407732474.

It is an arithmetic number, because the mean of its divisors is an integer number (64789294661).

Almost surely, 2^461356735572 is an apocalyptic number.

It is an amenable number.

461356735572 is an abundant number, since it is smaller than the sum of its proper divisors (704850568326).

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

461356735572 is a wasteful number, since it uses less digits than its factorization.

461356735572 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12815464887 (or 12815464882 counting only the distinct ones).

The product of its digits is 15876000, while the sum is 54.

The spelling of 461356735572 in words is "four hundred sixty-one billion, three hundred fifty-six million, seven hundred thirty-five thousand, five hundred seventy-two".