244663540 has 24 divisors (see below), whose sum is σ = 560502432. Its totient is φ = 88968480.

The previous prime is 244663519. The next prime is 244663547. The reversal of 244663540 is 45366442.

244663540 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 244663496 and 244663505.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (244663547) 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, 555834 + ... + 556273.

It is an arithmetic number, because the mean of its divisors is an integer number (23354268).

Almost surely, 2^244663540 is an apocalyptic number.

244663540 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

244663540 is an abundant number, since it is smaller than the sum of its proper divisors (315838892).

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

244663540 is a wasteful number, since it uses less digits than its factorization.

244663540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1112127 (or 1112125 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 34.

The square root of 244663540 is about 15641.7243294977. The cubic root of 244663540 is about 625.4459025977.

The spelling of 244663540 in words is "two hundred forty-four million, six hundred sixty-three thousand, five hundred forty".