402654970875 has 16 divisors (see below), whose sum is σ = 670017872160. Its totient is φ = 214749317600.

The previous prime is 402654970873. The next prime is 402654970957. The reversal of 402654970875 is 578079456204.

It is a happy number.

It is not a de Polignac number, because 402654970875 - 2¹ = 402654970873 is a prime.

It is not an unprimeable number, because it can be changed into a prime (402654970873) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 536872920 + ... + 536873669.

It is an arithmetic number, because the mean of its divisors is an integer number (41876117010).

Almost surely, 2^402654970875 is an apocalyptic number.

402654970875 is a deficient number, since it is larger than the sum of its proper divisors (267362901285).

402654970875 is a wasteful number, since it uses less digits than its factorization.

402654970875 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1073746607 (or 1073746597 counting only the distinct ones).

The product of its (nonzero) digits is 16934400, while the sum is 57.

The spelling of 402654970875 in words is "four hundred two billion, six hundred fifty-four million, nine hundred seventy thousand, eight hundred seventy-five".