40220373186 has 48 divisors (see below), whose sum is σ = 100189724544. Its totient is φ = 11422717632.

The previous prime is 40220373169. The next prime is 40220373191. The reversal of 40220373186 is 68137302204.

It is a happy number.

40220373186 is a `hidden beast` number, since 402 + 2 + 0 + 3 + 73 + 186 = 666.

It is a super-2 number, since 2×40220373186² (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 40220373186.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 934675 + ... + 976758.

It is an arithmetic number, because the mean of its divisors is an integer number (2087285928).

Almost surely, 2^40220373186 is an apocalyptic number.

40220373186 is an abundant number, since it is smaller than the sum of its proper divisors (59969351358).

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

40220373186 is a wasteful number, since it uses less digits than its factorization.

40220373186 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1911615 (or 1911612 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 36.

The spelling of 40220373186 in words is "forty billion, two hundred twenty million, three hundred seventy-three thousand, one hundred eighty-six".