402068652 has 24 divisors (see below), whose sum is σ = 987537600. Its totient is φ = 126968976.

The previous prime is 402068647. The next prime is 402068663. The reversal of 402068652 is 256860204.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 881502 + ... + 881957.

It is an arithmetic number, because the mean of its divisors is an integer number (41147400).

Almost surely, 2^402068652 is an apocalyptic number.

It is an amenable number.

402068652 is an abundant number, since it is smaller than the sum of its proper divisors (585468948).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

402068652 is a wasteful number, since it uses less digits than its factorization.

402068652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1763485 (or 1763483 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 33.

The square root of 402068652 is about 20051.6496079500. The cubic root of 402068652 is about 738.0742795808.

The spelling of 402068652 in words is "four hundred two million, sixty-eight thousand, six hundred fifty-two".