402944065 has 8 divisors (see below), whose sum is σ = 484038720. Its totient is φ = 322018032.

The previous prime is 402944057. The next prime is 402944071. The reversal of 402944065 is 560449204.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 402944065 - 2³ = 402944057 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 402944065.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36835 + ... + 46504.

It is an arithmetic number, because the mean of its divisors is an integer number (60504840).

Almost surely, 2^402944065 is an apocalyptic number.

It is an amenable number.

402944065 is a deficient number, since it is larger than the sum of its proper divisors (81094655).

402944065 is an equidigital number, since it uses as much as digits as its factorization.

402944065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84311.

The product of its (nonzero) digits is 34560, while the sum is 34.

The square root of 402944065 is about 20073.4666911324. The cubic root of 402944065 is about 738.6095542212.

The spelling of 402944065 in words is "four hundred two million, nine hundred forty-four thousand, sixty-five".