285047454044 has 12 divisors (see below), whose sum is σ = 499113773424. Its totient is φ = 142443518784.

The previous prime is 285047453993. The next prime is 285047454067. The reversal of 285047454044 is 440454740582.

It is a self number, because there is not a number n which added to its sum of digits gives 285047454044.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20044064 + ... + 20058279.

It is an arithmetic number, because the mean of its divisors is an integer number (41592814452).

Almost surely, 2^285047454044 is an apocalyptic number.

It is an amenable number.

285047454044 is a deficient number, since it is larger than the sum of its proper divisors (214066319380).

285047454044 is a wasteful number, since it uses less digits than its factorization.

285047454044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40104124 (or 40104122 counting only the distinct ones).

The product of its (nonzero) digits is 2867200, while the sum is 47.

The spelling of 285047454044 in words is "two hundred eighty-five billion, forty-seven million, four hundred fifty-four thousand, forty-four".