285612253080 has 128 divisors (see below), whose sum is σ = 1068264046080. Its totient is φ = 59347998720.

The previous prime is 285612253079. The next prime is 285612253111. The reversal of 285612253080 is 80352216582.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 15445969 + ... + 15464448.

It is an arithmetic number, because the mean of its divisors is an integer number (8345812860).

Almost surely, 2^285612253080 is an apocalyptic number.

285612253080 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

285612253080 is an abundant number, since it is smaller than the sum of its proper divisors (782651793000).

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

285612253080 is a wasteful number, since it uses less digits than its factorization.

285612253080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30910449 (or 30910445 counting only the distinct ones).

The product of its (nonzero) digits is 230400, while the sum is 42.

The spelling of 285612253080 in words is "two hundred eighty-five billion, six hundred twelve million, two hundred fifty-three thousand, eighty".