40402153157 has 2 divisors, whose sum is σ = 40402153158. Its totient is φ = 40402153156.

The previous prime is 40402153139. The next prime is 40402153159. The reversal of 40402153157 is 75135120404.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 29602578916 + 10799574241 = 172054^2 + 103921^2 .

It is a cyclic number.

It is not a de Polignac number, because 40402153157 - 2²⁰ = 40401104581 is a prime.

Together with 40402153159, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40402153159) 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, 20201076578 + 20201076579.

It is an arithmetic number, because the mean of its divisors is an integer number (20201076579).

Almost surely, 2^40402153157 is an apocalyptic number.

It is an amenable number.

40402153157 is a deficient number, since it is larger than the sum of its proper divisors (1).

40402153157 is an equidigital number, since it uses as much as digits as its factorization.

40402153157 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 16800, while the sum is 32.

The spelling of 40402153157 in words is "forty billion, four hundred two million, one hundred fifty-three thousand, one hundred fifty-seven".