40825079791 has 2 divisors, whose sum is σ = 40825079792. Its totient is φ = 40825079790.

The previous prime is 40825079747. The next prime is 40825079797. The reversal of 40825079791 is 19797052804.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 40825079791 - 2²⁹ = 40288208879 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40825079797) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20412539895 + 20412539896.

It is an arithmetic number, because the mean of its divisors is an integer number (20412539896).

Almost surely, 2^40825079791 is an apocalyptic number.

40825079791 is a deficient number, since it is larger than the sum of its proper divisors (1).

40825079791 is an equidigital number, since it uses as much as digits as its factorization.

40825079791 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1270080, while the sum is 52.

The spelling of 40825079791 in words is "forty billion, eight hundred twenty-five million, seventy-nine thousand, seven hundred ninety-one".