6768944390 has 32 divisors (see below), whose sum is σ = 13691837376. Its totient is φ = 2390636160.

The previous prime is 6768944381. The next prime is 6768944431. The reversal of 6768944390 is 934498676.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 1128941 + ... + 1134920.

It is an arithmetic number, because the mean of its divisors is an integer number (427869918).

Almost surely, 2^6768944390 is an apocalyptic number.

6768944390 is an abundant number, since it is smaller than the sum of its proper divisors (6922892986).

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

6768944390 is a wasteful number, since it uses less digits than its factorization.

6768944390 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2263904.

The product of its (nonzero) digits is 7838208, while the sum is 56.

The square root of 6768944390 is about 82273.5947312380. The cubic root of 6768944390 is about 1891.6479556542.

The spelling of 6768944390 in words is "six billion, seven hundred sixty-eight million, nine hundred forty-four thousand, three hundred ninety".