2686044144 has 160 divisors (see below), whose sum is σ = 8303468544. Its totient is φ = 731554560.

The previous prime is 2686044133. The next prime is 2686044157. The reversal of 2686044144 is 4414406862.

It is a congruent number.

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, 3886839 + ... + 3887529.

Almost surely, 2^2686044144 is an apocalyptic number.

2686044144 is a gapful number since it is divisible by the number (24) 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 2686044144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4151734272).

2686044144 is an abundant number, since it is smaller than the sum of its proper divisors (5617424400).

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

2686044144 is a wasteful number, since it uses less digits than its factorization.

2686044144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1235 (or 1229 counting only the distinct ones).

The product of its (nonzero) digits is 147456, while the sum is 39.

The square root of 2686044144 is about 51827.0599590600. The cubic root of 2686044144 is about 1390.0733436102.

The spelling of 2686044144 in words is "two billion, six hundred eighty-six million, forty-four thousand, one hundred forty-four".