40108640283264 has 128 divisors (see below), whose sum is σ = 124728089028480. Its totient is φ = 11180108759040.

The previous prime is 40108640283263. The next prime is 40108640283269. The reversal of 40108640283264 is 46238204680104.

It is a tau number, because it is divible by the number of its divisors (128).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is not an unprimeable number, because it can be changed into a prime (40108640283263) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 181857709 + ... + 182078124.

It is an arithmetic number, because the mean of its divisors is an integer number (974438195535).

Almost surely, 2^{40108640283264} is an apocalyptic number.

It is an amenable number.

40108640283264 is an abundant number, since it is smaller than the sum of its proper divisors (84619448745216).

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

40108640283264 is a wasteful number, since it uses less digits than its factorization.

40108640283264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 363935898 (or 363935886 counting only the distinct ones).

The product of its (nonzero) digits is 1769472, while the sum is 48.

The spelling of 40108640283264 in words is "forty trillion, one hundred eight billion, six hundred forty million, two hundred eighty-three thousand, two hundred sixty-four".