285444200064 has 64 divisors (see below), whose sum is σ = 766027866240. Its totient is φ = 94167146496.

The previous prime is 285444200057. The next prime is 285444200071. The reversal of 285444200064 is 460002444582.

It is an interprime number because it is at equal distance from previous prime (285444200057) and next prime (285444200071).

It is a tau number, because it is divible by the number of its divisors (64).

It is a junction number, because it is equal to n+sod(n) for n = 285444199995 and 285444200031.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3794424 + ... + 3868919.

It is an arithmetic number, because the mean of its divisors is an integer number (11969185410).

Almost surely, 2^285444200064 is an apocalyptic number.

285444200064 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

285444200064 is an abundant number, since it is smaller than the sum of its proper divisors (480583666176).

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

285444200064 is an equidigital number, since it uses as much as digits as its factorization.

285444200064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7663457 (or 7663445 counting only the distinct ones).

The product of its (nonzero) digits is 245760, while the sum is 39.

The spelling of 285444200064 in words is "two hundred eighty-five billion, four hundred forty-four million, two hundred thousand, sixty-four".