402264407 has 16 divisors (see below), whose sum is σ = 425161632. Its totient is φ = 380090880.

The previous prime is 402264323. The next prime is 402264437. The reversal of 402264407 is 704462204.

It is a cyclic number.

It is not a de Polignac number, because 402264407 - 2¹⁶ = 402198871 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 402264407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (402264437) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 428843 + ... + 429779.

It is an arithmetic number, because the mean of its divisors is an integer number (26572602).

Almost surely, 2^402264407 is an apocalyptic number.

402264407 is a deficient number, since it is larger than the sum of its proper divisors (22897225).

402264407 is a wasteful number, since it uses less digits than its factorization.

402264407 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1298.

The product of its (nonzero) digits is 10752, while the sum is 29.

The square root of 402264407 is about 20056.5302831771. The cubic root of 402264407 is about 738.1940421207.

The spelling of 402264407 in words is "four hundred two million, two hundred sixty-four thousand, four hundred seven".