244155426 has 8 divisors (see below), whose sum is σ = 488310864. Its totient is φ = 81385140.

The previous prime is 244155421. The next prime is 244155427. The reversal of 244155426 is 624551442.

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

244155426 is an admirable number.

It is a super-2 number, since 2×244155426² = 119223744090482952, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (244155421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20346280 + ... + 20346291.

It is an arithmetic number, because the mean of its divisors is an integer number (61038858).

Almost surely, 2^244155426 is an apocalyptic number.

244155426 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

244155426 is a wasteful number, since it uses less digits than its factorization.

244155426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40692576.

The product of its digits is 38400, while the sum is 33.

The square root of 244155426 is about 15625.4736248217. The cubic root of 244155426 is about 625.0126299314.

The spelling of 244155426 in words is "two hundred forty-four million, one hundred fifty-five thousand, four hundred twenty-six".