40588157 has 2 divisors, whose sum is σ = 40588158. Its totient is φ = 40588156.

The previous prime is 40588151. The next prime is 40588187. The reversal of 40588157 is 75188504.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 34880836 + 5707321 = 5906^2 + 2389^2 .

It is a cyclic number.

It is not a de Polignac number, because 40588157 - 2²² = 36393853 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 40588157.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40588151) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20294078 + 20294079.

It is an arithmetic number, because the mean of its divisors is an integer number (20294079).

Almost surely, 2^40588157 is an apocalyptic number.

It is an amenable number.

40588157 is a deficient number, since it is larger than the sum of its proper divisors (1).

40588157 is an equidigital number, since it uses as much as digits as its factorization.

40588157 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 44800, while the sum is 38.

The square root of 40588157 is about 6370.8835337024. The cubic root of 40588157 is about 343.6632639786.

The spelling of 40588157 in words is "forty million, five hundred eighty-eight thousand, one hundred fifty-seven".