244428284840880 has 640 divisors, whose sum is σ = 891222940366848. Its totient is φ = 54262446391296.

The previous prime is 244428284840819. The next prime is 244428284840891. The reversal of 244428284840880 is 88048482824442.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 13843129012 + ... + 13843146668.

Almost surely, 2^{244428284840880} is an apocalyptic number.

244428284840880 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 244428284840880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (445611470183424).

244428284840880 is an abundant number, since it is smaller than the sum of its proper divisors (646794655525968).

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

244428284840880 is a wasteful number, since it uses less digits than its factorization.

244428284840880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19293 (or 19287 counting only the distinct ones).

The product of its (nonzero) digits is 268435456, while the sum is 66.

The spelling of 244428284840880 in words is "two hundred forty-four trillion, four hundred twenty-eight billion, two hundred eighty-four million, eight hundred forty thousand, eight hundred eighty".