40561511522 has 16 divisors (see below), whose sum is σ = 73624256640. Its totient is φ = 16360945728.

The previous prime is 40561511491. The next prime is 40561511579. The reversal of 40561511522 is 22511516504.

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, 85213022 + ... + 85213497.

It is an arithmetic number, because the mean of its divisors is an integer number (4601516040).

Almost surely, 2^40561511522 is an apocalyptic number.

40561511522 is a deficient number, since it is larger than the sum of its proper divisors (33062745118).

40561511522 is a wasteful number, since it uses less digits than its factorization.

40561511522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 170426545.

The product of its (nonzero) digits is 12000, while the sum is 32.

The spelling of 40561511522 in words is "forty billion, five hundred sixty-one million, five hundred eleven thousand, five hundred twenty-two".