40111606016 has 36 divisors (see below), whose sum is σ = 80378200812. Its totient is φ = 19977732096.

The previous prime is 40111606001. The next prime is 40111606037. The reversal of 40111606016 is 61060611104.

It can be written as a sum of positive squares in 2 ways, for example, as 38321977600 + 1789628416 = 195760^2 + 42304^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 239045 + ... + 370628.

Almost surely, 2^40111606016 is an apocalyptic number.

It is an amenable number.

40111606016 is an abundant number, since it is smaller than the sum of its proper divisors (40266594796).

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

40111606016 is an equidigital number, since it uses as much as digits as its factorization.

40111606016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 609946 (or 609932 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 26.

The spelling of 40111606016 in words is "forty billion, one hundred eleven million, six hundred six thousand, sixteen".