244635140 has 12 divisors (see below), whose sum is σ = 513733836. Its totient is φ = 97854048.

The previous prime is 244635109. The next prime is 244635143. The reversal of 244635140 is 41536442.

It can be written as a sum of positive squares in 2 ways, for example, as 111555844 + 133079296 = 10562^2 + 11536^2 .

It is not an unprimeable number, because it can be changed into a prime (244635143) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6115859 + ... + 6115898.

It is an arithmetic number, because the mean of its divisors is an integer number (42811153).

Almost surely, 2^244635140 is an apocalyptic number.

244635140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

244635140 is an abundant number, since it is smaller than the sum of its proper divisors (269098696).

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

244635140 is a wasteful number, since it uses less digits than its factorization.

244635140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12231766 (or 12231764 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 29.

The square root of 244635140 is about 15640.8164748519. The cubic root of 244635140 is about 625.4217015378.

The spelling of 244635140 in words is "two hundred forty-four million, six hundred thirty-five thousand, one hundred forty".