285040485 has 16 divisors (see below), whose sum is σ = 506738880. Its totient is φ = 152021520.

The previous prime is 285040471. The next prime is 285040493. The reversal of 285040485 is 584040582.

It is not a de Polignac number, because 285040485 - 2⁸ = 285040229 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1055571 + ... + 1055840.

It is an arithmetic number, because the mean of its divisors is an integer number (31671180).

Almost surely, 2^285040485 is an apocalyptic number.

It is an amenable number.

285040485 is a deficient number, since it is larger than the sum of its proper divisors (221698395).

285040485 is a wasteful number, since it uses less digits than its factorization.

285040485 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2111425 (or 2111419 counting only the distinct ones).

The product of its (nonzero) digits is 51200, while the sum is 36.

The square root of 285040485 is about 16883.1420357705. The cubic root of 285040485 is about 658.1155959241.

The spelling of 285040485 in words is "two hundred eighty-five million, forty thousand, four hundred eighty-five".