402216650512 has 20 divisors (see below), whose sum is σ = 788050884060. Its totient is φ = 198848680448.

The previous prime is 402216650489. The next prime is 402216650531. The reversal of 402216650512 is 215056612204.

It can be written as a sum of positive squares in 2 ways, for example, as 27481682176 + 374734968336 = 165776^2 + 612156^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 141226333 + ... + 141229180.

It is an arithmetic number, because the mean of its divisors is an integer number (39402544203).

Almost surely, 2^402216650512 is an apocalyptic number.

It is an amenable number.

402216650512 is a deficient number, since it is larger than the sum of its proper divisors (385834233548).

402216650512 is a wasteful number, since it uses less digits than its factorization.

402216650512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 282455610 (or 282455604 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 34.

The spelling of 402216650512 in words is "four hundred two billion, two hundred sixteen million, six hundred fifty thousand, five hundred twelve".