40454710157 has 2 divisors, whose sum is σ = 40454710158. Its totient is φ = 40454710156.

The previous prime is 40454710129. The next prime is 40454710169. The reversal of 40454710157 is 75101745404.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 24768149641 + 15686560516 = 157379^2 + 125246^2 .

It is a cyclic number.

It is not a de Polignac number, because 40454710157 - 2¹⁶ = 40454644621 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 40454710157.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40454710117) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20227355078 + 20227355079.

It is an arithmetic number, because the mean of its divisors is an integer number (20227355079).

Almost surely, 2^40454710157 is an apocalyptic number.

It is an amenable number.

40454710157 is a deficient number, since it is larger than the sum of its proper divisors (1).

40454710157 is an equidigital number, since it uses as much as digits as its factorization.

40454710157 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 78400, while the sum is 38.

The spelling of 40454710157 in words is "forty billion, four hundred fifty-four million, seven hundred ten thousand, one hundred fifty-seven".