285745717460 has 24 divisors (see below), whose sum is σ = 685789722240. Its totient is φ = 97969960224.

The previous prime is 285745717447. The next prime is 285745717511. The reversal of 285745717460 is 64717547582.

It is a junction number, because it is equal to n+sod(n) for n = 285745717396 and 285745717405.

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, 1020520280 + ... + 1020520559.

It is an arithmetic number, because the mean of its divisors is an integer number (28574571760).

Almost surely, 2^285745717460 is an apocalyptic number.

285745717460 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

285745717460 is an abundant number, since it is smaller than the sum of its proper divisors (400044004780).

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

285745717460 is a wasteful number, since it uses less digits than its factorization.

285745717460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2041040855 (or 2041040853 counting only the distinct ones).

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

The spelling of 285745717460 in words is "two hundred eighty-five billion, seven hundred forty-five million, seven hundred seventeen thousand, four hundred sixty".