40243241536 has 112 divisors (see below), whose sum is σ = 87828120000. Its totient is φ = 18221414400.

The previous prime is 40243241447. The next prime is 40243241537. The reversal of 40243241536 is 63514234204.

It is not an unprimeable number, because it can be changed into a prime (40243241537) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3556015 + ... + 3567313.

Almost surely, 2^40243241536 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40243241536, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (43914060000).

40243241536 is an abundant number, since it is smaller than the sum of its proper divisors (47584878464).

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

40243241536 is a wasteful number, since it uses less digits than its factorization.

40243241536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11460 (or 11450 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 34.

The spelling of 40243241536 in words is "forty billion, two hundred forty-three million, two hundred forty-one thousand, five hundred thirty-six".