285375338500 has 72 divisors (see below), whose sum is σ = 725016493656. Its totient is φ = 97842964800.

The previous prime is 285375338467. The next prime is 285375338509. The reversal of 285375338500 is 5833573582.

It can be written as a sum of positive squares in 4 ways, for example, as 1635878916 + 283739459584 = 40446^2 + 532672^2 .

It is a Harshad number since it is a multiple of its sum of digits (49).

It is not an unprimeable number, because it can be changed into a prime (285375338509) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5799487 + ... + 5848486.

It is an arithmetic number, because the mean of its divisors is an integer number (10069673523).

Almost surely, 2^285375338500 is an apocalyptic number.

285375338500 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

285375338500 is an abundant number, since it is smaller than the sum of its proper divisors (439641155156).

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

285375338500 is a wasteful number, since it uses less digits than its factorization.

285375338500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11648006 (or 11647987 counting only the distinct ones).

The product of its (nonzero) digits is 3024000, while the sum is 49.

The spelling of 285375338500 in words is "two hundred eighty-five billion, three hundred seventy-five million, three hundred thirty-eight thousand, five hundred".