40189502508 has 24 divisors (see below), whose sum is σ = 94053780912. Its totient is φ = 13356747264.

The previous prime is 40189502497. The next prime is 40189502533. The reversal of 40189502508 is 80520598104.

It is a happy number.

40189502508 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×40189502508² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 40189502508.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4964985 + ... + 4973072.

It is an arithmetic number, because the mean of its divisors is an integer number (3918907538).

Almost surely, 2^40189502508 is an apocalyptic number.

It is an amenable number.

40189502508 is an abundant number, since it is smaller than the sum of its proper divisors (53864278404).

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

40189502508 is a wasteful number, since it uses less digits than its factorization.

40189502508 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9938401 (or 9938399 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 42.

The spelling of 40189502508 in words is "forty billion, one hundred eighty-nine million, five hundred two thousand, five hundred eight".