285656830353432 has 48 divisors (see below), whose sum is σ = 773663761679640. Its totient is φ = 95217731618688.

The previous prime is 285656830353413. The next prime is 285656830353437. The reversal of 285656830353432 is 234353038656582.

285656830353432 is a `hidden beast` number, since 2 + 8 + 5 + 6 + 5 + 68 + 3 + 0 + 3 + 534 + 32 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 285656830353432.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (285656830353437) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 19540978 + ... + 30873345.

Almost surely, 2^{285656830353432} is an apocalyptic number.

It is an amenable number.

285656830353432 is an abundant number, since it is smaller than the sum of its proper divisors (488006931326208).

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

285656830353432 is a wasteful number, since it uses less digits than its factorization.

285656830353432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50493032 (or 50493025 counting only the distinct ones).

The product of its (nonzero) digits is 373248000, while the sum is 63.

The spelling of 285656830353432 in words is "two hundred eighty-five trillion, six hundred fifty-six billion, eight hundred thirty million, three hundred fifty-three thousand, four hundred thirty-two".