244345140 has 96 divisors (see below), whose sum is σ = 818684160. Its totient is φ = 60144768.

The previous prime is 244345133. The next prime is 244345229. The reversal of 244345140 is 41543442.

It is a happy number.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10384 + ... + 24423.

It is an arithmetic number, because the mean of its divisors is an integer number (8527960).

Almost surely, 2^244345140 is an apocalyptic number.

244345140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

244345140 is an abundant number, since it is smaller than the sum of its proper divisors (574339020).

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

244345140 is a wasteful number, since it uses less digits than its factorization.

244345140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34838 (or 34830 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 27.

The square root of 244345140 is about 15631.5431100068. The cubic root of 244345140 is about 625.1744707581.

Adding to 244345140 its reverse (41543442), we get a palindrome (285888582).

The spelling of 244345140 in words is "two hundred forty-four million, three hundred forty-five thousand, one hundred forty".