244173940 has 24 divisors (see below), whose sum is σ = 539753760. Its totient is φ = 92528928.

The previous prime is 244173889. The next prime is 244173947. The reversal of 244173940 is 49371442.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 244173896 and 244173905.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (244173947) 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, 320902 + ... + 321661.

It is an arithmetic number, because the mean of its divisors is an integer number (22489740).

Almost surely, 2^244173940 is an apocalyptic number.

244173940 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

244173940 is an abundant number, since it is smaller than the sum of its proper divisors (295579820).

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

244173940 is a wasteful number, since it uses less digits than its factorization.

244173940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 642591 (or 642589 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 34.

The square root of 244173940 is about 15626.0660436336. The cubic root of 244173940 is about 625.0284275070.

The spelling of 244173940 in words is "two hundred forty-four million, one hundred seventy-three thousand, nine hundred forty".