285021604364 has 36 divisors (see below), whose sum is σ = 605449628784. Its totient is φ = 116841152736.

The previous prime is 285021604319. The next prime is 285021604367. The reversal of 285021604364 is 463406120582.

It is a super-3 number, since 3×285021604364³ (a number of 35 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (285021604367) 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, 31608359 + ... + 31617374.

It is an arithmetic number, because the mean of its divisors is an integer number (16818045244).

Almost surely, 2^285021604364 is an apocalyptic number.

It is an amenable number.

285021604364 is an abundant number, since it is smaller than the sum of its proper divisors (320428024420).

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

285021604364 is a wasteful number, since it uses less digits than its factorization.

285021604364 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63225774 (or 63225765 counting only the distinct ones).

The product of its (nonzero) digits is 276480, while the sum is 41.

The spelling of 285021604364 in words is "two hundred eighty-five billion, twenty-one million, six hundred four thousand, three hundred sixty-four".