283986140256 has 576 divisors, whose sum is σ = 1037765828736. Its totient is φ = 71663616000.

The previous prime is 283986140237. The next prime is 283986140287. The reversal of 283986140256 is 652041689382.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 59149056 + ... + 59153856.

It is an arithmetic number, because the mean of its divisors is an integer number (1801676786).

Almost surely, 2^283986140256 is an apocalyptic number.

283986140256 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 283986140256, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (518882914368).

283986140256 is an abundant number, since it is smaller than the sum of its proper divisors (753779688480).

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

283986140256 is a wasteful number, since it uses less digits than its factorization.

283986140256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4935 (or 4924 counting only the distinct ones).

The product of its (nonzero) digits is 4976640, while the sum is 54.

The spelling of 283986140256 in words is "two hundred eighty-three billion, nine hundred eighty-six million, one hundred forty thousand, two hundred fifty-six".