40622823918 has 16 divisors (see below), whose sum is σ = 90272942160. Its totient is φ = 13540941288.

The previous prime is 40622823911. The next prime is 40622823937. The reversal of 40622823918 is 81932822604.

40622823918 is a `hidden beast` number, since 4 + 0 + 622 + 8 + 2 + 3 + 9 + 18 = 666.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40622823911) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 376137205 + ... + 376137312.

It is an arithmetic number, because the mean of its divisors is an integer number (5642058885).

Almost surely, 2^40622823918 is an apocalyptic number.

40622823918 is an abundant number, since it is smaller than the sum of its proper divisors (49650118242).

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

40622823918 is a wasteful number, since it uses less digits than its factorization.

40622823918 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 752274528 (or 752274522 counting only the distinct ones).

The product of its (nonzero) digits is 331776, while the sum is 45.

The spelling of 40622823918 in words is "forty billion, six hundred twenty-two million, eight hundred twenty-three thousand, nine hundred eighteen".