40286945879 has 2 divisors, whose sum is σ = 40286945880. Its totient is φ = 40286945878.

The previous prime is 40286945819. The next prime is 40286945903. The reversal of 40286945879 is 97854968204.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 40286945879 - 2²⁸ = 40018510423 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40286945819) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20143472939 + 20143472940.

It is an arithmetic number, because the mean of its divisors is an integer number (20143472940).

Almost surely, 2^40286945879 is an apocalyptic number.

40286945879 is a deficient number, since it is larger than the sum of its proper divisors (1).

40286945879 is an equidigital number, since it uses as much as digits as its factorization.

40286945879 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 34836480, while the sum is 62.

The spelling of 40286945879 in words is "forty billion, two hundred eighty-six million, nine hundred forty-five thousand, eight hundred seventy-nine".