944840240 has 20 divisors (see below), whose sum is σ = 2196753744. Its totient is φ = 377936064.

The previous prime is 944840233. The next prime is 944840257. The reversal of 944840240 is 42048449.

It is a tau number, because it is divible by the number of its divisors (20).

It is a self number, because there is not a number n which added to its sum of digits gives 944840240.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5905172 + ... + 5905331.

Almost surely, 2^944840240 is an apocalyptic number.

It is an amenable number.

944840240 is an abundant number, since it is smaller than the sum of its proper divisors (1251913504).

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

944840240 is a wasteful number, since it uses less digits than its factorization.

944840240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11810516 (or 11810510 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 35.

The square root of 944840240 is about 30738.2536914510. The cubic root of 944840240 is about 981.2645898814.

Adding to 944840240 its reverse (42048449), we get a palindrome (986888689).

The spelling of 944840240 in words is "nine hundred forty-four million, eight hundred forty thousand, two hundred forty".