288378191612 has 48 divisors (see below), whose sum is σ = 637234698240. Its totient is φ = 111263192832.

The previous prime is 288378191587. The next prime is 288378191627. The reversal of 288378191612 is 216191873882.

It is a Smith number, since the sum of its digits (56) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13159412 + ... + 13181307.

It is an arithmetic number, because the mean of its divisors is an integer number (13275722880).

Almost surely, 2^288378191612 is an apocalyptic number.

It is an amenable number.

288378191612 is an abundant number, since it is smaller than the sum of its proper divisors (348856506628).

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

288378191612 is a wasteful number, since it uses less digits than its factorization.

288378191612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26340770 (or 26340768 counting only the distinct ones).

The product of its digits is 2322432, while the sum is 56.

The spelling of 288378191612 in words is "two hundred eighty-eight billion, three hundred seventy-eight million, one hundred ninety-one thousand, six hundred twelve".