40356907967 has 2 divisors, whose sum is σ = 40356907968. Its totient is φ = 40356907966.

The previous prime is 40356907963. The next prime is 40356907973. The reversal of 40356907967 is 76970965304.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 40356907967 - 2² = 40356907963 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40356907961) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20178453983 + 20178453984.

It is an arithmetic number, because the mean of its divisors is an integer number (20178453984).

Almost surely, 2^40356907967 is an apocalyptic number.

40356907967 is a deficient number, since it is larger than the sum of its proper divisors (1).

40356907967 is an equidigital number, since it uses as much as digits as its factorization.

40356907967 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8573040, while the sum is 56.

The spelling of 40356907967 in words is "forty billion, three hundred fifty-six million, nine hundred seven thousand, nine hundred sixty-seven".