402740599 has 2 divisors, whose sum is σ = 402740600. Its totient is φ = 402740598.

The previous prime is 402740539. The next prime is 402740621. The reversal of 402740599 is 995047204.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-402740599 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (402740539) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 201370299 + 201370300.

It is an arithmetic number, because the mean of its divisors is an integer number (201370300).

Almost surely, 2^402740599 is an apocalyptic number.

402740599 is a deficient number, since it is larger than the sum of its proper divisors (1).

402740599 is an equidigital number, since it uses as much as digits as its factorization.

402740599 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 90720, while the sum is 40.

The square root of 402740599 is about 20068.3980177791. The cubic root of 402740599 is about 738.4852133622.

The spelling of 402740599 in words is "four hundred two million, seven hundred forty thousand, five hundred ninety-nine".