285483142800 has 90 divisors (see below), whose sum is σ = 990705818882. Its totient is φ = 76128837120.

The previous prime is 285483142739. The next prime is 285483142817. The reversal of 285483142800 is 8241384582.

285483142800 is a `hidden beast` number, since 2 + 8 + 54 + 8 + 314 + 280 + 0 = 666.

It can be written as a sum of positive squares in 3 ways, for example, as 48493324944 + 236989817856 = 220212^2 + 486816^2 .

It is a tau number, because it is divible by the number of its divisors (90).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 39646837 + ... + 39654036.

Almost surely, 2^285483142800 is an apocalyptic number.

285483142800 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

285483142800 is an abundant number, since it is smaller than the sum of its proper divisors (705222676082).

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

285483142800 is a wasteful number, since it uses less digits than its factorization.

285483142800 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79300897 (or 79300883 counting only the distinct ones).

The product of its (nonzero) digits is 491520, while the sum is 45.

The spelling of 285483142800 in words is "two hundred eighty-five billion, four hundred eighty-three million, one hundred forty-two thousand, eight hundred".