40455952976429 has 2 divisors, whose sum is σ = 40455952976430. Its totient is φ = 40455952976428.

The previous prime is 40455952976377. The next prime is 40455952976443. The reversal of 40455952976429 is 92467925955404.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 29083532197225 + 11372420779204 = 5392915^2 + 3372302^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40455952976429 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40455952976489) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20227976488214 + 20227976488215.

It is an arithmetic number, because the mean of its divisors is an integer number (20227976488215).

Almost surely, 2^{40455952976429} is an apocalyptic number.

It is an amenable number.

40455952976429 is a deficient number, since it is larger than the sum of its proper divisors (1).

40455952976429 is an equidigital number, since it uses as much as digits as its factorization.

40455952976429 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 979776000, while the sum is 71.

The spelling of 40455952976429 in words is "forty trillion, four hundred fifty-five billion, nine hundred fifty-two million, nine hundred seventy-six thousand, four hundred twenty-nine".