2402440393 has 2 divisors, whose sum is σ = 2402440394. Its totient is φ = 2402440392.

The previous prime is 2402440363. The next prime is 2402440429. The reversal of 2402440393 is 3930442042.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1596561849 + 805878544 = 39957^2 + 28388^2 .

It is a cyclic number.

It is not a de Polignac number, because 2402440393 - 2⁵ = 2402440361 is a prime.

It is not a weakly prime, because it can be changed into another prime (2402440343) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1201220196 + 1201220197.

It is an arithmetic number, because the mean of its divisors is an integer number (1201220197).

Almost surely, 2^2402440393 is an apocalyptic number.

It is an amenable number.

2402440393 is a deficient number, since it is larger than the sum of its proper divisors (1).

2402440393 is an equidigital number, since it uses as much as digits as its factorization.

2402440393 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 20736, while the sum is 31.

The square root of 2402440393 is about 49014.6956840497. The cubic root of 2402440393 is about 1339.3195462957.

The spelling of 2402440393 in words is "two billion, four hundred two million, four hundred forty thousand, three hundred ninety-three".