440422340 has 48 divisors (see below), whose sum is σ = 952015680. Its totient is φ = 171050880.

The previous prime is 440422327. The next prime is 440422351. The reversal of 440422340 is 43224044.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 152510 + ... + 155370.

It is an arithmetic number, because the mean of its divisors is an integer number (19833660).

Almost surely, 2^440422340 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 440422340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (476007840).

440422340 is an abundant number, since it is smaller than the sum of its proper divisors (511593340).

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

440422340 is a wasteful number, since it uses less digits than its factorization.

440422340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3092 (or 3090 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 23.

The square root of 440422340 is about 20986.2416835411. The cubic root of 440422340 is about 760.8337687166.

Adding to 440422340 its reverse (43224044), we get a palindrome (483646384).

The spelling of 440422340 in words is "four hundred forty million, four hundred twenty-two thousand, three hundred forty".