201402985688 has 16 divisors (see below), whose sum is σ = 378860669880. Its totient is φ = 100373473728.

The previous prime is 201402985639. The next prime is 201402985709. The reversal of 201402985688 is 886589204102.

It is a congruent number.

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, 40999781 + ... + 41004692.

Almost surely, 2^201402985688 is an apocalyptic number.

It is an amenable number.

201402985688 is a deficient number, since it is larger than the sum of its proper divisors (177457684192).

201402985688 is a wasteful number, since it uses less digits than its factorization.

201402985688 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82004786 (or 82004782 counting only the distinct ones).

The product of its (nonzero) digits is 2211840, while the sum is 53.

The spelling of 201402985688 in words is "two hundred one billion, four hundred two million, nine hundred eighty-five thousand, six hundred eighty-eight".