40161358376507 has 2 divisors, whose sum is σ = 40161358376508. Its totient is φ = 40161358376506.

The previous prime is 40161358376467. The next prime is 40161358376563. The reversal of 40161358376507 is 70567385316104.

It is a happy number.

It is an a-pointer prime, because the next prime (40161358376563) can be obtained adding 40161358376507 to its sum of digits (56).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 40161358376507 - 2⁶ = 40161358376443 is a prime.

It is a super-2 number, since 2×40161358376507² (a number of 28 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (40161358376807) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20080679188253 + 20080679188254.

It is an arithmetic number, because the mean of its divisors is an integer number (20080679188254).

Almost surely, 2^{40161358376507} is an apocalyptic number.

40161358376507 is a deficient number, since it is larger than the sum of its proper divisors (1).

40161358376507 is an equidigital number, since it uses as much as digits as its factorization.

40161358376507 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12700800, while the sum is 56.

The spelling of 40161358376507 in words is "forty trillion, one hundred sixty-one billion, three hundred fifty-eight million, three hundred seventy-six thousand, five hundred seven".