40122566490 has 48 divisors (see below), whose sum is σ = 102291741792. Its totient is φ = 10069975296.

The previous prime is 40122566489. The next prime is 40122566599. The reversal of 40122566490 is 9466522104.

It is a happy number.

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, 2305204 + ... + 2322543.

It is an arithmetic number, because the mean of its divisors is an integer number (2131077954).

Almost surely, 2^40122566490 is an apocalyptic number.

40122566490 is an abundant number, since it is smaller than the sum of its proper divisors (62169175302).

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

40122566490 is a wasteful number, since it uses less digits than its factorization.

40122566490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4627791 (or 4627774 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 39.

The spelling of 40122566490 in words is "forty billion, one hundred twenty-two million, five hundred sixty-six thousand, four hundred ninety".