375640865680 has 80 divisors (see below), whose sum is σ = 901942272000. Its totient is φ = 145344176640.

The previous prime is 375640865657. The next prime is 375640865681. The reversal of 375640865680 is 86568046573.

It is a tau number, because it is divible by the number of its divisors (80).

It is a super-2 number, since 2×375640865680² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (375640865681) 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, 5693521 + ... + 5759119.

It is an arithmetic number, because the mean of its divisors is an integer number (11274278400).

Almost surely, 2^375640865680 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 375640865680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (450971136000).

375640865680 is an abundant number, since it is smaller than the sum of its proper divisors (526301406320).

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

375640865680 is a wasteful number, since it uses less digits than its factorization.

375640865680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67952 (or 67946 counting only the distinct ones).

The product of its (nonzero) digits is 29030400, while the sum is 58.

The spelling of 375640865680 in words is "three hundred seventy-five billion, six hundred forty million, eight hundred sixty-five thousand, six hundred eighty".