2721100344 has 32 divisors (see below), whose sum is σ = 6947493120. Its totient is φ = 887734496.

The previous prime is 2721100309. The next prime is 2721100373. The reversal of 2721100344 is 4430011272.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (24).

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, 1205034 + ... + 1207289.

It is an arithmetic number, because the mean of its divisors is an integer number (217109160).

Almost surely, 2^2721100344 is an apocalyptic number.

2721100344 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

2721100344 is an abundant number, since it is smaller than the sum of its proper divisors (4226392776).

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

2721100344 is a wasteful number, since it uses less digits than its factorization.

2721100344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2412379 (or 2412375 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 24.

The square root of 2721100344 is about 52164.1672415078. The cubic root of 2721100344 is about 1396.0946165102.

The spelling of 2721100344 in words is "two billion, seven hundred twenty-one million, one hundred thousand, three hundred forty-four".