4040403242357 has 2 divisors, whose sum is σ = 4040403242358. Its totient is φ = 4040403242356.

The previous prime is 4040403242327. The next prime is 4040403242363. The reversal of 4040403242357 is 7532423040404.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3868770352561 + 171632889796 = 1966919^2 + 414286^2 .

It is a cyclic number.

It is not a de Polignac number, because 4040403242357 - 2²⁸ = 4040134806901 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 4040403242357.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4040403242327) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2020201621178 + 2020201621179.

It is an arithmetic number, because the mean of its divisors is an integer number (2020201621179).

Almost surely, 2^{4040403242357} is an apocalyptic number.

It is an amenable number.

4040403242357 is a deficient number, since it is larger than the sum of its proper divisors (1).

4040403242357 is an equidigital number, since it uses as much as digits as its factorization.

4040403242357 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 322560, while the sum is 38.

The spelling of 4040403242357 in words is "four trillion, forty billion, four hundred three million, two hundred forty-two thousand, three hundred fifty-seven".