9444955840 has 112 divisors (see below), whose sum is σ = 22797637920. Its totient is φ = 3726786560.

The previous prime is 9444955831. The next prime is 9444955853. The reversal of 9444955840 is 485594449.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9726555 + ... + 9727525.

Almost surely, 2^9444955840 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 9444955840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11398818960).

9444955840 is an abundant number, since it is smaller than the sum of its proper divisors (13352682080).

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

9444955840 is a wasteful number, since it uses less digits than its factorization.

9444955840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1370 (or 1360 counting only the distinct ones).

The product of its (nonzero) digits is 4147200, while the sum is 52.

The square root of 9444955840 is about 97185.1626535656. The cubic root of 9444955840 is about 2113.8133865078.

The spelling of 9444955840 in words is "nine billion, four hundred forty-four million, nine hundred fifty-five thousand, eight hundred forty".