40793341957 has 2 divisors, whose sum is σ = 40793341958. Its totient is φ = 40793341956.

The previous prime is 40793341909. The next prime is 40793341987. The reversal of 40793341957 is 75914339704.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 37741221441 + 3052120516 = 194271^2 + 55246^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40793341957 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40793341987) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20396670978 + 20396670979.

It is an arithmetic number, because the mean of its divisors is an integer number (20396670979).

Almost surely, 2^40793341957 is an apocalyptic number.

It is an amenable number.

40793341957 is a deficient number, since it is larger than the sum of its proper divisors (1).

40793341957 is an equidigital number, since it uses as much as digits as its factorization.

40793341957 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2857680, while the sum is 52.

The spelling of 40793341957 in words is "forty billion, seven hundred ninety-three million, three hundred forty-one thousand, nine hundred fifty-seven".