440422344 has 24 divisors (see below), whose sum is σ = 1192810710. Its totient is φ = 146807424.

The previous prime is 440422327. The next prime is 440422351. The reversal of 440422344 is 443224044.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 434222244 + 6200100 = 20838^2 + 2490^2 .

It is a tau number, because it is divible by the number of its divisors (24).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3058417 + ... + 3058560.

Almost surely, 2^440422344 is an apocalyptic number.

It is an amenable number.

440422344 is an abundant number, since it is smaller than the sum of its proper divisors (752388366).

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

440422344 is a wasteful number, since it uses less digits than its factorization.

440422344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6116989 (or 6116982 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 27.

The square root of 440422344 is about 20986.2417788417. The cubic root of 440422344 is about 760.8337710200.

Adding to 440422344 its reverse (443224044), we get a palindrome (883646388).

The spelling of 440422344 in words is "four hundred forty million, four hundred twenty-two thousand, three hundred forty-four".