402115618672 has 10 divisors (see below), whose sum is σ = 779099011208. Its totient is φ = 201057809328.

The previous prime is 402115618643. The next prime is 402115618679. The reversal of 402115618672 is 276816511204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (402115618679) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12566113068 + ... + 12566113099.

Almost surely, 2^402115618672 is an apocalyptic number.

It is an amenable number.

402115618672 is a deficient number, since it is larger than the sum of its proper divisors (376983392536).

402115618672 is a wasteful number, since it uses less digits than its factorization.

402115618672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25132226175 (or 25132226169 counting only the distinct ones).

The product of its (nonzero) digits is 161280, while the sum is 43.

The spelling of 402115618672 in words is "four hundred two billion, one hundred fifteen million, six hundred eighteen thousand, six hundred seventy-two".