402756466 has 16 divisors (see below), whose sum is σ = 714248640. Its totient is φ = 166657680.

The previous prime is 402756463. The next prime is 402756481. The reversal of 402756466 is 664657204.

It is not an unprimeable number, because it can be changed into a prime (402756461) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 495600 + ... + 496411.

It is an arithmetic number, because the mean of its divisors is an integer number (44640540).

Almost surely, 2^402756466 is an apocalyptic number.

402756466 is a deficient number, since it is larger than the sum of its proper divisors (311492174).

402756466 is a wasteful number, since it uses less digits than its factorization.

402756466 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 992049.

The product of its (nonzero) digits is 241920, while the sum is 40.

The square root of 402756466 is about 20068.7933369199. The cubic root of 402756466 is about 738.4949114085.

The spelling of 402756466 in words is "four hundred two million, seven hundred fifty-six thousand, four hundred sixty-six".