244061761440 has 96 divisors (see below), whose sum is σ = 878622353280. Its totient is φ = 55785544704.

The previous prime is 244061761421. The next prime is 244061761441. The reversal of 244061761440 is 44167160442.

It is a tau number, because it is divible by the number of its divisors (96).

It is a super-2 number, since 2×244061761440² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (244061761441) 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, 36315355 + ... + 36322074.

It is an arithmetic number, because the mean of its divisors is an integer number (9152316180).

Almost surely, 2^244061761440 is an apocalyptic number.

244061761440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

244061761440 is an abundant number, since it is smaller than the sum of its proper divisors (634560591840).

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

244061761440 is a wasteful number, since it uses less digits than its factorization.

244061761440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72637454 (or 72637446 counting only the distinct ones).

The product of its (nonzero) digits is 129024, while the sum is 39.

The spelling of 244061761440 in words is "two hundred forty-four billion, sixty-one million, seven hundred sixty-one thousand, four hundred forty".