40386158297 has 2 divisors, whose sum is σ = 40386158298. Its totient is φ = 40386158296.

The previous prime is 40386158243. The next prime is 40386158317. The reversal of 40386158297 is 79285168304.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 25104501136 + 15281657161 = 158444^2 + 123619^2 .

It is a cyclic number.

It is not a de Polignac number, because 40386158297 - 2⁶ = 40386158233 is a prime.

It is a weakly prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20193079148 + 20193079149.

It is an arithmetic number, because the mean of its divisors is an integer number (20193079149).

It is a 2-persistent number, because it is pandigital, and so is 2⋅40386158297 = 80772316594, but 3⋅40386158297 = 121158474891 is not.

Almost surely, 2^40386158297 is an apocalyptic number.

It is an amenable number.

40386158297 is a deficient number, since it is larger than the sum of its proper divisors (1).

40386158297 is an equidigital number, since it uses as much as digits as its factorization.

40386158297 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2903040, while the sum is 53.

The spelling of 40386158297 in words is "forty billion, three hundred eighty-six million, one hundred fifty-eight thousand, two hundred ninety-seven".