40452065413 has 2 divisors, whose sum is σ = 40452065414. Its totient is φ = 40452065412.

The previous prime is 40452065359. The next prime is 40452065429. The reversal of 40452065413 is 31456025404.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 40112879524 + 339185889 = 200282^2 + 18417^2 .

It is a cyclic number.

It is not a de Polignac number, because 40452065413 - 2²¹ = 40449968261 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40452065443) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20226032706 + 20226032707.

It is an arithmetic number, because the mean of its divisors is an integer number (20226032707).

Almost surely, 2^40452065413 is an apocalyptic number.

It is an amenable number.

40452065413 is a deficient number, since it is larger than the sum of its proper divisors (1).

40452065413 is an equidigital number, since it uses as much as digits as its factorization.

40452065413 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 57600, while the sum is 34.

The spelling of 40452065413 in words is "forty billion, four hundred fifty-two million, sixty-five thousand, four hundred thirteen".