944444903220 has 1296 divisors, whose sum is σ = 3868083168768. Its totient is φ = 192584770560.

The previous prime is 944444903219. The next prime is 944444903249. The reversal of 944444903220 is 22309444449.

944444903220 is a `hidden beast` number, since 94 + 4 + 44 + 490 + 32 + 2 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 431 ways as a sum of consecutive naturals, for example, 1247615082 + ... + 1247615838.

Almost surely, 2^944444903220 is an apocalyptic number.

944444903220 is a gapful number since it is divisible by the number (90) 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 944444903220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1934041584384).

944444903220 is an abundant number, since it is smaller than the sum of its proper divisors (2923638265548).

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

944444903220 is a wasteful number, since it uses less digits than its factorization.

944444903220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 852 (or 818 counting only the distinct ones).

The product of its (nonzero) digits is 995328, while the sum is 45.

The spelling of 944444903220 in words is "nine hundred forty-four billion, four hundred forty-four million, nine hundred three thousand, two hundred twenty".