2699254144 has 64 divisors (see below), whose sum is σ = 5481194400. Its totient is φ = 1323786240.

The previous prime is 2699254139. The next prime is 2699254183. The reversal of 2699254144 is 4414529962.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (64).

It is a junction number, because it is equal to n+sod(n) for n = 2699254094 and 2699254103.

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, 2080504 + ... + 2081800.

Almost surely, 2^2699254144 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2699254144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2740597200).

2699254144 is an abundant number, since it is smaller than the sum of its proper divisors (2781940256).

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

2699254144 is a wasteful number, since it uses less digits than its factorization.

2699254144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1611 (or 1599 counting only the distinct ones).

The product of its digits is 622080, while the sum is 46.

The square root of 2699254144 is about 51954.3467286424. The cubic root of 2699254144 is about 1392.3484176501.

The spelling of 2699254144 in words is "two billion, six hundred ninety-nine million, two hundred fifty-four thousand, one hundred forty-four".