40017743652 has 48 divisors (see below), whose sum is σ = 94795323840. Its totient is φ = 13136420352.

The previous prime is 40017743639. The next prime is 40017743669. The reversal of 40017743652 is 25634771004.

It is a self number, because there is not a number n which added to its sum of digits gives 40017743652.

It is an unprimeable number.

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, 5277688 + ... + 5285264.

It is an arithmetic number, because the mean of its divisors is an integer number (1974902580).

Almost surely, 2^40017743652 is an apocalyptic number.

It is an amenable number.

40017743652 is an abundant number, since it is smaller than the sum of its proper divisors (54777580188).

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

40017743652 is a wasteful number, since it uses less digits than its factorization.

40017743652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14220 (or 14218 counting only the distinct ones).

The product of its (nonzero) digits is 141120, while the sum is 39.

The spelling of 40017743652 in words is "forty billion, seventeen million, seven hundred forty-three thousand, six hundred fifty-two".