244605140 has 48 divisors (see below), whose sum is σ = 572276880. Its totient is φ = 87198720.

The previous prime is 244605079. The next prime is 244605149. The reversal of 244605140 is 41506442.

244605140 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 8 ways, for example, as 183184 + 244421956 = 428^2 + 15634^2 .

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (244605149) 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, 8681 + ... + 23760.

It is an arithmetic number, because the mean of its divisors is an integer number (11922435).

Almost surely, 2^244605140 is an apocalyptic number.

244605140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

244605140 is an abundant number, since it is smaller than the sum of its proper divisors (327671740).

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

244605140 is a wasteful number, since it uses less digits than its factorization.

244605140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32492 (or 32490 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 26.

The square root of 244605140 is about 15639.8574162299. The cubic root of 244605140 is about 625.3961350036.

The spelling of 244605140 in words is "two hundred forty-four million, six hundred five thousand, one hundred forty".