40215000318 has 16 divisors (see below), whose sum is σ = 85161177360. Its totient is φ = 12616470656.

The previous prime is 40215000289. The next prime is 40215000389. The reversal of 40215000318 is 81300051204.

It is a super-2 number, since 2×40215000318² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 197132253 + ... + 197132456.

It is an arithmetic number, because the mean of its divisors is an integer number (5322573585).

Almost surely, 2^40215000318 is an apocalyptic number.

40215000318 is an abundant number, since it is smaller than the sum of its proper divisors (44946177042).

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

40215000318 is a wasteful number, since it uses less digits than its factorization.

40215000318 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 394264731.

The product of its (nonzero) digits is 960, while the sum is 24.

The spelling of 40215000318 in words is "forty billion, two hundred fifteen million, three hundred eighteen", and thus it is an aban number.