40740796161 has 48 divisors (see below), whose sum is σ = 65498148352. Its totient is φ = 24233126400.

The previous prime is 40740796153. The next prime is 40740796177. The reversal of 40740796161 is 16169704704.

40740796161 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 40740796161 - 2³ = 40740796153 is a prime.

It is not an unprimeable number, because it can be changed into a prime (40740796141) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3196281 + ... + 3209001.

Almost surely, 2^40740796161 is an apocalyptic number.

It is an amenable number.

40740796161 is a deficient number, since it is larger than the sum of its proper divisors (24757352191).

40740796161 is a wasteful number, since it uses less digits than its factorization.

40740796161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13654 (or 13651 counting only the distinct ones).

The product of its (nonzero) digits is 254016, while the sum is 45.

The spelling of 40740796161 in words is "forty billion, seven hundred forty million, seven hundred ninety-six thousand, one hundred sixty-one".