285306403412 has 24 divisors (see below), whose sum is σ = 513391831680. Its totient is φ = 138632217120.

The previous prime is 285306403397. The next prime is 285306403441. The reversal of 285306403412 is 214304603582.

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, 1024664 + ... + 1273007.

It is an arithmetic number, because the mean of its divisors is an integer number (21391326320).

Almost surely, 2^285306403412 is an apocalyptic number.

It is an amenable number.

285306403412 is a deficient number, since it is larger than the sum of its proper divisors (228085428268).

285306403412 is a wasteful number, since it uses less digits than its factorization.

285306403412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2298551 (or 2298549 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 38.

The spelling of 285306403412 in words is "two hundred eighty-five billion, three hundred six million, four hundred three thousand, four hundred twelve".