40220576718 has 64 divisors (see below), whose sum is σ = 96199073280. Its totient is φ = 10970024832.

The previous prime is 40220576699. The next prime is 40220576741. The reversal of 40220576718 is 81767502204.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a self number, because there is not a number n which added to its sum of digits gives 40220576718.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 161808 + ... + 326531.

It is an arithmetic number, because the mean of its divisors is an integer number (1503110520).

Almost surely, 2^40220576718 is an apocalyptic number.

40220576718 is an abundant number, since it is smaller than the sum of its proper divisors (55978496562).

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

40220576718 is a wasteful number, since it uses less digits than its factorization.

40220576718 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 488441.

The product of its (nonzero) digits is 188160, while the sum is 42.

The spelling of 40220576718 in words is "forty billion, two hundred twenty million, five hundred seventy-six thousand, seven hundred eighteen".