40341042732 has 12 divisors (see below), whose sum is σ = 94129099736. Its totient is φ = 13447014240.

The previous prime is 40341042719. The next prime is 40341042739. The reversal of 40341042732 is 23724014304.

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 40341042732.

It is not an unprimeable number, because it can be changed into a prime (40341042739) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1680876769 + ... + 1680876792.

Almost surely, 2^40341042732 is an apocalyptic number.

It is an amenable number.

40341042732 is an abundant number, since it is smaller than the sum of its proper divisors (53788057004).

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

40341042732 is a wasteful number, since it uses less digits than its factorization.

40341042732 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3361753568 (or 3361753566 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 30.

The spelling of 40341042732 in words is "forty billion, three hundred forty-one million, forty-two thousand, seven hundred thirty-two".