2694881440 has 48 divisors (see below), whose sum is σ = 6391527912. Its totient is φ = 1073741824.

The previous prime is 2694881401. The next prime is 2694881461. The reversal of 2694881440 is 441884962.

It can be written as a sum of positive squares in 4 ways, for example, as 2522851984 + 172029456 = 50228^2 + 13116^2 .

2694881440 is an undulating number in base 16.

It is a zygodrome in base 4.

It is an unprimeable number.

In principle, a polygon with 2694881440 sides can be constructed with ruler and compass.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8352 + ... + 73888.

Almost surely, 2^2694881440 is an apocalyptic number.

2694881440 is a gapful number since it is divisible by the number (20) 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 2694881440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3195763956).

2694881440 is an abundant number, since it is smaller than the sum of its proper divisors (3696646472).

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

2694881440 is a wasteful number, since it uses less digits than its factorization.

2694881440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65809 (or 65801 counting only the distinct ones).

The product of its (nonzero) digits is 442368, while the sum is 46.

The square root of 2694881440 is about 51912.2474951721. The cubic root of 2694881440 is about 1391.5961582279.

The spelling of 2694881440 in words is "two billion, six hundred ninety-four million, eight hundred eighty-one thousand, four hundred forty".