40965188736 has 64 divisors (see below), whose sum is σ = 109206895680. Its totient is φ = 13605731328.

The previous prime is 40965188729. The next prime is 40965188741. The reversal of 40965188736 is 63788156904.

It is a tau number, because it is divible by the number of its divisors (64).

It is a super-2 number, since 2×40965188736² (a number of 22 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, 86196 + ... + 298931.

It is an arithmetic number, because the mean of its divisors is an integer number (1706357745).

Almost surely, 2^40965188736 is an apocalyptic number.

It is an amenable number.

40965188736 is an abundant number, since it is smaller than the sum of its proper divisors (68241706944).

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

40965188736 is a wasteful number, since it uses less digits than its factorization.

40965188736 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 385421 (or 385409 counting only the distinct ones).

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

The spelling of 40965188736 in words is "forty billion, nine hundred sixty-five million, one hundred eighty-eight thousand, seven hundred thirty-six".