40745974511 has 18 divisors (see below), whose sum is σ = 45012211440. Its totient is φ = 36855732760.

The previous prime is 40745974447. The next prime is 40745974513. The reversal of 40745974511 is 11547954704.

It is not a de Polignac number, because 40745974511 - 2⁶ = 40745974447 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40745974513) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 34326260 + ... + 34327446.

Almost surely, 2^40745974511 is an apocalyptic number.

40745974511 is a deficient number, since it is larger than the sum of its proper divisors (4266236929).

40745974511 is an equidigital number, since it uses as much as digits as its factorization.

40745974511 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2635 (or 1437 counting only the distinct ones).

The product of its (nonzero) digits is 705600, while the sum is 47.

The spelling of 40745974511 in words is "forty billion, seven hundred forty-five million, nine hundred seventy-four thousand, five hundred eleven".