244191397240 has 64 divisors (see below), whose sum is σ = 637292736000. Its totient is φ = 82473164928.

The previous prime is 244191397213. The next prime is 244191397243. The reversal of 244191397240 is 42793191442.

244191397240 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (244191397243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6489540 + ... + 6527059.

It is an arithmetic number, because the mean of its divisors is an integer number (9957699000).

Almost surely, 2^244191397240 is an apocalyptic number.

244191397240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

244191397240 is an abundant number, since it is smaller than the sum of its proper divisors (393101338760).

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

244191397240 is a wasteful number, since it uses less digits than its factorization.

244191397240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13016684 (or 13016680 counting only the distinct ones).

The product of its (nonzero) digits is 435456, while the sum is 46.

The spelling of 244191397240 in words is "two hundred forty-four billion, one hundred ninety-one million, three hundred ninety-seven thousand, two hundred forty".