40360531940 has 12 divisors (see below), whose sum is σ = 84757117116. Its totient is φ = 16144212768.

The previous prime is 40360531907. The next prime is 40360531961. The reversal of 40360531940 is 4913506304.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 13025200384 + 27335331556 = 114128^2 + 165334^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 40360531940.

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, 1009013279 + ... + 1009013318.

It is an arithmetic number, because the mean of its divisors is an integer number (7063093093).

Almost surely, 2^40360531940 is an apocalyptic number.

It is an amenable number.

40360531940 is an abundant number, since it is smaller than the sum of its proper divisors (44396585176).

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

40360531940 is a wasteful number, since it uses less digits than its factorization.

40360531940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2018026606 (or 2018026604 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 35.

The spelling of 40360531940 in words is "forty billion, three hundred sixty million, five hundred thirty-one thousand, nine hundred forty".