440022140 has 24 divisors (see below), whose sum is σ = 972681360. Its totient is φ = 166745088.

The previous prime is 440022119. The next prime is 440022151. The reversal of 440022140 is 41220044.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 578597 + ... + 579356.

It is an arithmetic number, because the mean of its divisors is an integer number (40528390).

Almost surely, 2^440022140 is an apocalyptic number.

It is an amenable number.

440022140 is an abundant number, since it is smaller than the sum of its proper divisors (532659220).

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

440022140 is a wasteful number, since it uses less digits than its factorization.

440022140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1157981 (or 1157979 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 17.

The square root of 440022140 is about 20976.7046983076. The cubic root of 440022140 is about 760.6032491152.

Adding to 440022140 its reverse (41220044), we get a palindrome (481242184).

The spelling of 440022140 in words is "four hundred forty million, twenty-two thousand, one hundred forty".