2724944401 has 3 divisors (see below), whose sum is σ = 2724996603. Its totient is φ = 2724892200.

The previous prime is 2724944353. The next prime is 2724944407. The reversal of 2724944401 is 1044494272.

It is a happy number.

The square root of 2724944401 is 52201.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in only one way, i.e., 2318518801 + 406425600 = 48151^2 + 20160^2 .

It is not a de Polignac number, because 2724944401 - 2¹³ = 2724936209 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2724944407) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 26101 + ... + 78301.

It is an arithmetic number, because the mean of its divisors is an integer number (908332201).

Almost surely, 2^2724944401 is an apocalyptic number.

2724944401 is the 52201-st square number.

2724944401 is the 26101-st centered octagonal number.

It is an amenable number.

2724944401 is a deficient number, since it is larger than the sum of its proper divisors (52202).

2724944401 is an frugal number, since it uses more digits than its factorization.

2724944401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104402 (or 52201 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 37.

The cubic root of 2724944401 is about 1396.7517210452.

The spelling of 2724944401 in words is "two billion, seven hundred twenty-four million, nine hundred forty-four thousand, four hundred one".