288326320390 has 64 divisors (see below), whose sum is σ = 553372974720. Its totient is φ = 107985024000.

The previous prime is 288326320339. The next prime is 288326320397. The reversal of 288326320390 is 93023623882.

It is a self number, because there is not a number n which added to its sum of digits gives 288326320390.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (288326320397) 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 31 ways as a sum of consecutive naturals, for example, 1141210 + ... + 1370770.

It is an arithmetic number, because the mean of its divisors is an integer number (8646452730).

Almost surely, 2^288326320390 is an apocalyptic number.

288326320390 is a deficient number, since it is larger than the sum of its proper divisors (265046654330).

288326320390 is a wasteful number, since it uses less digits than its factorization.

288326320390 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 229729.

The product of its (nonzero) digits is 746496, while the sum is 46.

The spelling of 288326320390 in words is "two hundred eighty-eight billion, three hundred twenty-six million, three hundred twenty thousand, three hundred ninety".