40945649976 has 96 divisors (see below), whose sum is σ = 138258057600. Its totient is φ = 10635232320.

The previous prime is 40945649959. The next prime is 40945650001. The reversal of 40945649976 is 67994654904.

40945649976 is a `hidden beast` number, since 4 + 0 + 94 + 56 + 499 + 7 + 6 = 666.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3687246 + ... + 3698333.

It is an arithmetic number, because the mean of its divisors is an integer number (1440188100).

Almost surely, 2^40945649976 is an apocalyptic number.

It is an amenable number.

40945649976 is an abundant number, since it is smaller than the sum of its proper divisors (97312407624).

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

40945649976 is a wasteful number, since it uses less digits than its factorization.

40945649976 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7385609 (or 7385602 counting only the distinct ones).

The product of its (nonzero) digits is 58786560, while the sum is 63.

The spelling of 40945649976 in words is "forty billion, nine hundred forty-five million, six hundred forty-nine thousand, nine hundred seventy-six".