40404610157 has 2 divisors, whose sum is σ = 40404610158. Its totient is φ = 40404610156.

The previous prime is 40404610123. The next prime is 40404610193. The reversal of 40404610157 is 75101640404.

40404610157 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 40268047561 + 136562596 = 200669^2 + 11686^2 .

It is a cyclic number.

It is not a de Polignac number, because 40404610157 - 2⁸ = 40404609901 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40404613157) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20202305078 + 20202305079.

It is an arithmetic number, because the mean of its divisors is an integer number (20202305079).

Almost surely, 2^40404610157 is an apocalyptic number.

It is an amenable number.

40404610157 is a deficient number, since it is larger than the sum of its proper divisors (1).

40404610157 is an equidigital number, since it uses as much as digits as its factorization.

40404610157 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13440, while the sum is 32.

The spelling of 40404610157 in words is "forty billion, four hundred four million, six hundred ten thousand, one hundred fifty-seven".