244444407 has 8 divisors (see below), whose sum is σ = 330051840. Its totient is φ = 160899960.

The previous prime is 244444399. The next prime is 244444433. The reversal of 244444407 is 704444442.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 244444407 - 2³ = 244444399 is a prime.

It is a super-2 number, since 2×244444407² = 119506136227163298, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (244444457) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 515469 + ... + 515942.

It is an arithmetic number, because the mean of its divisors is an integer number (41256480).

Almost surely, 2^244444407 is an apocalyptic number.

244444407 is a deficient number, since it is larger than the sum of its proper divisors (85607433).

244444407 is a wasteful number, since it uses less digits than its factorization.

244444407 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1031493.

The product of its (nonzero) digits is 57344, while the sum is 33.

The square root of 244444407 is about 15634.7180019340. The cubic root of 244444407 is about 625.2591198629.

Adding to 244444407 its reverse (704444442), we get a palindrome (948888849).

The spelling of 244444407 in words is "two hundred forty-four million, four hundred forty-four thousand, four hundred seven".