40740572413 has 2 divisors, whose sum is σ = 40740572414. Its totient is φ = 40740572412.

The previous prime is 40740572399. The next prime is 40740572429. The reversal of 40740572413 is 31427504704.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 20386699524 + 20353872889 = 142782^2 + 142667^2 .

It is a cyclic number.

It is not a de Polignac number, because 40740572413 - 2⁵ = 40740572381 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40740575413) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20370286206 + 20370286207.

It is an arithmetic number, because the mean of its divisors is an integer number (20370286207).

Almost surely, 2^40740572413 is an apocalyptic number.

It is an amenable number.

40740572413 is a deficient number, since it is larger than the sum of its proper divisors (1).

40740572413 is an equidigital number, since it uses as much as digits as its factorization.

40740572413 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 94080, while the sum is 37.

The spelling of 40740572413 in words is "forty billion, seven hundred forty million, five hundred seventy-two thousand, four hundred thirteen".