461490361581720 has 64 divisors (see below), whose sum is σ = 1444665479742720. Its totient is φ = 117713483533184.

The previous prime is 461490361581673. The next prime is 461490361581721. The reversal of 461490361581720 is 27185163094164.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (461490361581721) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 83603323614 + ... + 83603329133.

It is an arithmetic number, because the mean of its divisors is an integer number (22572898120980).

It is a 1-persistent number, because it is pandigital, but 2⋅461490361581720 = 922980723163440 is not.

Almost surely, 2^{461490361581720} is an apocalyptic number.

461490361581720 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

461490361581720 is an abundant number, since it is smaller than the sum of its proper divisors (983175118161000).

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

461490361581720 is a wasteful number, since it uses less digits than its factorization.

461490361581720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 167206652784 (or 167206652780 counting only the distinct ones).

The product of its (nonzero) digits is 8709120, while the sum is 57.

The spelling of 461490361581720 in words is "four hundred sixty-one trillion, four hundred ninety billion, three hundred sixty-one million, five hundred eighty-one thousand, seven hundred twenty".