40796581164 has 24 divisors (see below), whose sum is σ = 100791553968. Its totient is φ = 12798927360.

The previous prime is 40796581151. The next prime is 40796581171. The reversal of 40796581164 is 46118569704.

It is a super-2 number, since 2×40796581164² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (51).

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, 99991417 + ... + 99991824.

It is an arithmetic number, because the mean of its divisors is an integer number (4199648082).

Almost surely, 2^40796581164 is an apocalyptic number.

It is an amenable number.

40796581164 is an abundant number, since it is smaller than the sum of its proper divisors (59994972804).

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

40796581164 is a wasteful number, since it uses less digits than its factorization.

40796581164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 199983265 (or 199983263 counting only the distinct ones).

The product of its (nonzero) digits is 1451520, while the sum is 51.

The spelling of 40796581164 in words is "forty billion, seven hundred ninety-six million, five hundred eighty-one thousand, one hundred sixty-four".