244624401 has 16 divisors (see below), whose sum is σ = 414179200. Its totient is φ = 139785264.

The previous prime is 244624361. The next prime is 244624403. The reversal of 244624401 is 104426442.

It is a happy number.

It is not a de Polignac number, because 244624401 - 2⁷ = 244624273 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (244624403) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 646966 + ... + 647343.

It is an arithmetic number, because the mean of its divisors is an integer number (25886200).

Almost surely, 2^244624401 is an apocalyptic number.

244624401 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

244624401 is a deficient number, since it is larger than the sum of its proper divisors (169554799).

244624401 is a wasteful number, since it uses less digits than its factorization.

244624401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1294325 (or 1294319 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 27.

The square root of 244624401 is about 15640.4731705917. The cubic root of 244624401 is about 625.4125498110.

It can be divided in two parts, 244624 and 401, that added together give a square (245025 = 495²).

The spelling of 244624401 in words is "two hundred forty-four million, six hundred twenty-four thousand, four hundred one".