68288015290 has 16 divisors (see below), whose sum is σ = 134092830240. Its totient is φ = 24832005520.

The previous prime is 68288015267. The next prime is 68288015291. The reversal of 68288015290 is 9251088286.

It is not an unprimeable number, because it can be changed into a prime (68288015291) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 310399960 + ... + 310400179.

It is an arithmetic number, because the mean of its divisors is an integer number (8380801890).

Almost surely, 2^68288015290 is an apocalyptic number.

68288015290 is a deficient number, since it is larger than the sum of its proper divisors (65804814950).

68288015290 is a wasteful number, since it uses less digits than its factorization.

68288015290 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 620800157.

The product of its (nonzero) digits is 552960, while the sum is 49.

The spelling of 68288015290 in words is "sixty-eight billion, two hundred eighty-eight million, fifteen thousand, two hundred ninety".