40993437164 has 24 divisors (see below), whose sum is σ = 73417103760. Its totient is φ = 20017255104.

The previous prime is 40993437157. The next prime is 40993437167. The reversal of 40993437164 is 46173439904.

It is not an unprimeable number, because it can be changed into a prime (40993437167) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1782362 + ... + 1805214.

It is an arithmetic number, because the mean of its divisors is an integer number (3059045990).

Almost surely, 2^40993437164 is an apocalyptic number.

It is an amenable number.

40993437164 is a deficient number, since it is larger than the sum of its proper divisors (32423666596).

40993437164 is a wasteful number, since it uses less digits than its factorization.

40993437164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33329 (or 33327 counting only the distinct ones).

The product of its (nonzero) digits is 1959552, while the sum is 50.

The spelling of 40993437164 in words is "forty billion, nine hundred ninety-three million, four hundred thirty-seven thousand, one hundred sixty-four".