461465512053220 has 24 divisors (see below), whose sum is σ = 973236706546104. Its totient is φ = 183793989348096.

The previous prime is 461465512053191. The next prime is 461465512053251. The reversal of 461465512053220 is 22350215564164.

It can be written as a sum of positive squares in 4 ways, for example, as 111293933564836 + 350171578488384 = 10549594^2 + 18712872^2 .

It is a super-2 number, since 2×461465512053220² (a number of 30 digits) contains 22 as substring.

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, 49513462299 + ... + 49513471618.

It is an arithmetic number, because the mean of its divisors is an integer number (40551529439421).

Almost surely, 2^{461465512053220} is an apocalyptic number.

It is an amenable number.

461465512053220 is an abundant number, since it is smaller than the sum of its proper divisors (511771194492884).

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

461465512053220 is a wasteful number, since it uses less digits than its factorization.

461465512053220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99026934159 (or 99026934157 counting only the distinct ones).

The product of its (nonzero) digits is 1728000, while the sum is 46.

The spelling of 461465512053220 in words is "four hundred sixty-one trillion, four hundred sixty-five billion, five hundred twelve million, fifty-three thousand, two hundred twenty".