244506401 has 4 divisors (see below), whose sum is σ = 244724100. Its totient is φ = 244288704.

The previous prime is 244506377. The next prime is 244506403. The reversal of 244506401 is 104605442.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 73942801 + 170563600 = 8599^2 + 13060^2 .

It is a cyclic number.

It is not a de Polignac number, because 244506401 - 2²² = 240312097 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (244506403) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 107156 + ... + 109413.

It is an arithmetic number, because the mean of its divisors is an integer number (61181025).

Almost surely, 2^244506401 is an apocalyptic number.

It is an amenable number.

244506401 is a deficient number, since it is larger than the sum of its proper divisors (217699).

244506401 is a wasteful number, since it uses less digits than its factorization.

244506401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 217698.

The product of its (nonzero) digits is 3840, while the sum is 26.

The square root of 244506401 is about 15636.7004511821. The cubic root of 244506401 is about 625.3119731039.

The spelling of 244506401 in words is "two hundred forty-four million, five hundred six thousand, four hundred one".