40157950667 has 2 divisors, whose sum is σ = 40157950668. Its totient is φ = 40157950666.

The previous prime is 40157950661. The next prime is 40157950687. The reversal of 40157950667 is 76605975104.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 40157950667 - 2³⁰ = 39084208843 is a prime.

It is a super-2 number, since 2×40157950667² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (40157950661) 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, 20078975333 + 20078975334.

It is an arithmetic number, because the mean of its divisors is an integer number (20078975334).

Almost surely, 2^40157950667 is an apocalyptic number.

40157950667 is a deficient number, since it is larger than the sum of its proper divisors (1).

40157950667 is an equidigital number, since it uses as much as digits as its factorization.

40157950667 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1587600, while the sum is 50.

The spelling of 40157950667 in words is "forty billion, one hundred fifty-seven million, nine hundred fifty thousand, six hundred sixty-seven".