40165346516 has 24 divisors (see below), whose sum is σ = 70779496200. Its totient is φ = 19942704000.

The previous prime is 40165346491. The next prime is 40165346537. The reversal of 40165346516 is 61564356104.

It can be written as a sum of positive squares in 4 ways, for example, as 1076102416 + 39089244100 = 32804^2 + 197710^2 .

It is a super-2 number, since 2×40165346516² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

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, 3391886 + ... + 3403706.

It is an arithmetic number, because the mean of its divisors is an integer number (2949145675).

Almost surely, 2^40165346516 is an apocalyptic number.

It is an amenable number.

40165346516 is a deficient number, since it is larger than the sum of its proper divisors (30614149684).

40165346516 is a wasteful number, since it uses less digits than its factorization.

40165346516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17675 (or 17673 counting only the distinct ones).

The product of its (nonzero) digits is 259200, while the sum is 41.

The spelling of 40165346516 in words is "forty billion, one hundred sixty-five million, three hundred forty-six thousand, five hundred sixteen".