244551040 has 64 divisors (see below), whose sum is σ = 589050000. Its totient is φ = 97081344.

The previous prime is 244551037. The next prime is 244551059. The reversal of 244551040 is 40155442.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (64).

It is a super-2 number, since 2×244551040² = 119610422330163200, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 244550996 and 244551014.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 87586 + ... + 90334.

Almost surely, 2^244551040 is an apocalyptic number.

244551040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 244551040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (294525000).

244551040 is an abundant number, since it is smaller than the sum of its proper divisors (344498960).

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

244551040 is a wasteful number, since it uses less digits than its factorization.

244551040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2907 (or 2895 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 25.

The square root of 244551040 is about 15638.1277651770. The cubic root of 244551040 is about 625.3500247357.

The spelling of 244551040 in words is "two hundred forty-four million, five hundred fifty-one thousand, forty".