285896251456 has 28 divisors (see below), whose sum is σ = 567438600960. Its totient is φ = 142919596160.

The previous prime is 285896251447. The next prime is 285896251471. The reversal of 285896251456 is 654152698582.

It is a junction number, because it is equal to n+sod(n) for n = 285896251394 and 285896251403.

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, 120760 + ... + 765751.

It is an arithmetic number, because the mean of its divisors is an integer number (20265664320).

Almost surely, 2^285896251456 is an apocalyptic number.

It is an amenable number.

285896251456 is a deficient number, since it is larger than the sum of its proper divisors (281542349504).

285896251456 is an equidigital number, since it uses as much as digits as its factorization.

285896251456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 891562 (or 891552 counting only the distinct ones).

The product of its digits is 41472000, while the sum is 61.

The spelling of 285896251456 in words is "two hundred eighty-five billion, eight hundred ninety-six million, two hundred fifty-one thousand, four hundred fifty-six".