402973752268 has 12 divisors (see below), whose sum is σ = 705208662760. Its totient is φ = 201485562912.

The previous prime is 402973752263. The next prime is 402973752271. The reversal of 402973752268 is 862257379204.

It is not an unprimeable number, because it can be changed into a prime (402973752263) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 771463 + ... + 1183681.

Almost surely, 2^402973752268 is an apocalyptic number.

It is an amenable number.

402973752268 is a deficient number, since it is larger than the sum of its proper divisors (302234910492).

402973752268 is a wasteful number, since it uses less digits than its factorization.

402973752268 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 656616 (or 656614 counting only the distinct ones).

The product of its (nonzero) digits is 10160640, while the sum is 55.

The spelling of 402973752268 in words is "four hundred two billion, nine hundred seventy-three million, seven hundred fifty-two thousand, two hundred sixty-eight".