6896326440 has 128 divisors (see below), whose sum is σ = 22333190400. Its totient is φ = 1698385920.

The previous prime is 6896326427. The next prime is 6896326477. The reversal of 6896326440 is 446236986.

It is a hoax number, since the sum of its digits (48) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 6896326440.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 36960 + ... + 123120.

It is an arithmetic number, because the mean of its divisors is an integer number (174478050).

Almost surely, 2^6896326440 is an apocalyptic number.

6896326440 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6896326440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11166595200).

6896326440 is an abundant number, since it is smaller than the sum of its proper divisors (15436863960).

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

6896326440 is a wasteful number, since it uses less digits than its factorization.

6896326440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86227 (or 86223 counting only the distinct ones).

The product of its (nonzero) digits is 1492992, while the sum is 48.

The square root of 6896326440 is about 83044.1234525358. The cubic root of 6896326440 is about 1903.4403448050.

It can be divided in two parts, 6896 and 326440, that added together give a triangular number (333336 = T₈₁₆).

The spelling of 6896326440 in words is "six billion, eight hundred ninety-six million, three hundred twenty-six thousand, four hundred forty".