6440828488822 has 16 divisors (see below), whose sum is σ = 11890760287392. Its totient is φ = 2548020061440.

The previous prime is 6440828488807. The next prime is 6440828488847. The reversal of 6440828488822 is 2288848280446.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17694583579 + ... + 17694583942.

It is an arithmetic number, because the mean of its divisors is an integer number (743172517962).

Almost surely, 2^{6440828488822} is an apocalyptic number.

6440828488822 is a deficient number, since it is larger than the sum of its proper divisors (5449931798570).

6440828488822 is a wasteful number, since it uses less digits than its factorization.

6440828488822 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35389167543.

The product of its (nonzero) digits is 100663296, while the sum is 64.

The spelling of 6440828488822 in words is "six trillion, four hundred forty billion, eight hundred twenty-eight million, four hundred eighty-eight thousand, eight hundred twenty-two".