285717457460 has 24 divisors (see below), whose sum is σ = 600016739616. Its totient is φ = 114285063200.

The previous prime is 285717457457. The next prime is 285717457477. The reversal of 285717457460 is 64754717582.

It is a junction number, because it is equal to n+sod(n) for n = 285717457396 and 285717457405.

It is a congruent number.

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, 2123759 + ... + 2254281.

It is an arithmetic number, because the mean of its divisors is an integer number (25000697484).

Almost surely, 2^285717457460 is an apocalyptic number.

285717457460 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

285717457460 is an abundant number, since it is smaller than the sum of its proper divisors (314299282156).

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

285717457460 is a wasteful number, since it uses less digits than its factorization.

285717457460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 239983 (or 239981 counting only the distinct ones).

The product of its (nonzero) digits is 13171200, while the sum is 56.

The spelling of 285717457460 in words is "two hundred eighty-five billion, seven hundred seventeen million, four hundred fifty-seven thousand, four hundred sixty".