40368180252 has 12 divisors (see below), whose sum is σ = 94192420616. Its totient is φ = 13456060080.

The previous prime is 40368180247. The next prime is 40368180289. The reversal of 40368180252 is 25208186304.

It is a tau number, because it is divible by the number of its divisors (12).

It is a self number, because there is not a number n which added to its sum of digits gives 40368180252.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1682007499 + ... + 1682007522.

Almost surely, 2^40368180252 is an apocalyptic number.

It is an amenable number.

40368180252 is an abundant number, since it is smaller than the sum of its proper divisors (53824240364).

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

40368180252 is a wasteful number, since it uses less digits than its factorization.

40368180252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3364015028 (or 3364015026 counting only the distinct ones).

The product of its (nonzero) digits is 92160, while the sum is 39.

The spelling of 40368180252 in words is "forty billion, three hundred sixty-eight million, one hundred eighty thousand, two hundred fifty-two".