285893640996 has 24 divisors (see below), whose sum is σ = 688604039424. Its totient is φ = 92223755040.

The previous prime is 285893640979. The next prime is 285893641001. The reversal of 285893640996 is 699046398582.

It is a self number, because there is not a number n which added to its sum of digits gives 285893640996.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 384265275 + ... + 384266018.

It is an arithmetic number, because the mean of its divisors is an integer number (28691834976).

Almost surely, 2^285893640996 is an apocalyptic number.

It is an amenable number.

285893640996 is an abundant number, since it is smaller than the sum of its proper divisors (402710398428).

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

285893640996 is a wasteful number, since it uses less digits than its factorization.

285893640996 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 768531331 (or 768531329 counting only the distinct ones).

The product of its (nonzero) digits is 201553920, while the sum is 69.

The spelling of 285893640996 in words is "two hundred eighty-five billion, eight hundred ninety-three million, six hundred forty thousand, nine hundred ninety-six".