285254064 has 60 divisors (see below), whose sum is σ = 824080192. Its totient is φ = 92016000.

The previous prime is 285253961. The next prime is 285254077. The reversal of 285254064 is 460452582.

It is a happy number.

285254064 is a `hidden beast` number, since 2 + 8 + 52 + 540 + 64 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 27487 + ... + 36414.

Almost surely, 2^285254064 is an apocalyptic number.

285254064 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

285254064 is an abundant number, since it is smaller than the sum of its proper divisors (538826128).

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

285254064 is a wasteful number, since it uses less digits than its factorization.

285254064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63946 (or 63937 counting only the distinct ones).

The product of its (nonzero) digits is 76800, while the sum is 36.

The square root of 285254064 is about 16889.4660661609. The cubic root of 285254064 is about 658.2799288125.

The spelling of 285254064 in words is "two hundred eighty-five million, two hundred fifty-four thousand, sixty-four".