40745741751 has 24 divisors (see below), whose sum is σ = 69144291216. Its totient is φ = 22794819840.

The previous prime is 40745741749. The next prime is 40745741753. The reversal of 40745741751 is 15714754704.

40745741751 is a `hidden beast` number, since 4 + 0 + 7 + 4 + 574 + 1 + 75 + 1 = 666.

It is an interprime number because it is at equal distance from previous prime (40745741749) and next prime (40745741753).

It is not a de Polignac number, because 40745741751 - 2¹ = 40745741749 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 40745741697 and 40745741706.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40745741753) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 15828450 + ... + 15831023.

It is an arithmetic number, because the mean of its divisors is an integer number (2881012134).

Almost surely, 2^40745741751 is an apocalyptic number.

40745741751 is a deficient number, since it is larger than the sum of its proper divisors (28398549465).

40745741751 is a wasteful number, since it uses less digits than its factorization.

40745741751 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31659503 (or 31659500 counting only the distinct ones).

The product of its (nonzero) digits is 548800, while the sum is 45.

The spelling of 40745741751 in words is "forty billion, seven hundred forty-five million, seven hundred forty-one thousand, seven hundred fifty-one".