244745420 has 48 divisors (see below), whose sum is σ = 528903648. Its totient is φ = 95093760.

The previous prime is 244745419. The next prime is 244745429. The reversal of 244745420 is 24547442.

It is a super-2 number, since 2×244745420² = 119800641221952800, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (244745429) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 100052 + ... + 102468.

It is an arithmetic number, because the mean of its divisors is an integer number (11018826).

Almost surely, 2^244745420 is an apocalyptic number.

244745420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

244745420 is an abundant number, since it is smaller than the sum of its proper divisors (284158228).

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

244745420 is a wasteful number, since it uses less digits than its factorization.

244745420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2570 (or 2568 counting only the distinct ones).

The product of its (nonzero) digits is 35840, while the sum is 32.

The square root of 244745420 is about 15644.3414690424. The cubic root of 244745420 is about 625.5156661578.

The spelling of 244745420 in words is "two hundred forty-four million, seven hundred forty-five thousand, four hundred twenty".