944320080 has 320 divisors, whose sum is σ = 3453850368. Its totient is φ = 210862080.

The previous prime is 944320067. The next prime is 944320081. The reversal of 944320080 is 80023449.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (944320081) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2378442 + ... + 2378838.

Almost surely, 2^944320080 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 944320080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1726925184).

944320080 is an abundant number, since it is smaller than the sum of its proper divisors (2509530288).

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

944320080 is a wasteful number, since it uses less digits than its factorization.

944320080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 494 (or 488 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 30.

The square root of 944320080 is about 30729.7914083386. The cubic root of 944320080 is about 981.0844859648.

The spelling of 944320080 in words is "nine hundred forty-four million, three hundred twenty thousand, eighty".