440122340 has 24 divisors (see below), whose sum is σ = 1056293952. Its totient is φ = 150899040.

The previous prime is 440122313. The next prime is 440122343. The reversal of 440122340 is 43221044.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is not an unprimeable number, because it can be changed into a prime (440122343) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1571726 + ... + 1572005.

It is an arithmetic number, because the mean of its divisors is an integer number (44012248).

Almost surely, 2^440122340 is an apocalyptic number.

It is an amenable number.

440122340 is an abundant number, since it is smaller than the sum of its proper divisors (616171612).

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

440122340 is a wasteful number, since it uses less digits than its factorization.

440122340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3143747 (or 3143745 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 440122340 is about 20979.0929260538. The cubic root of 440122340 is about 760.6609785296.

Adding to 440122340 its reverse (43221044), we get a palindrome (483343384).

The spelling of 440122340 in words is "four hundred forty million, one hundred twenty-two thousand, three hundred forty".