244731940 has 24 divisors (see below), whose sum is σ = 515100600. Its totient is φ = 97671168.

The previous prime is 244731917. The next prime is 244731953. The reversal of 244731940 is 49137442.

It is a happy number.

244731940 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 34597924 + 210134016 = 5882^2 + 14496^2 .

It is a junction number, because it is equal to n+sod(n) for n = 244731896 and 244731905.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 4647 + ... + 22606.

It is an arithmetic number, because the mean of its divisors is an integer number (21462525).

Almost surely, 2^244731940 is an apocalyptic number.

244731940 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

244731940 is an abundant number, since it is smaller than the sum of its proper divisors (270368660).

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

244731940 is a wasteful number, since it uses less digits than its factorization.

244731940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27711 (or 27709 counting only the distinct ones).

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

The square root of 244731940 is about 15643.9106364106. The cubic root of 244731940 is about 625.5041819715.

The spelling of 244731940 in words is "two hundred forty-four million, seven hundred thirty-one thousand, nine hundred forty".