40064220264 has 32 divisors (see below), whose sum is σ = 102603493440. Its totient is φ = 13029014400.

The previous prime is 40064220241. The next prime is 40064220271. The reversal of 40064220264 is 46202246004.

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, 20356852 + ... + 20358819.

It is an arithmetic number, because the mean of its divisors is an integer number (3206359170).

Almost surely, 2^40064220264 is an apocalyptic number.

It is an amenable number.

40064220264 is an abundant number, since it is smaller than the sum of its proper divisors (62539273176).

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

40064220264 is a wasteful number, since it uses less digits than its factorization.

40064220264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40715721 (or 40715717 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 30.

Adding to 40064220264 its reverse (46202246004), we get a palindrome (86266466268).

The spelling of 40064220264 in words is "forty billion, sixty-four million, two hundred twenty thousand, two hundred sixty-four".