440412340 has 12 divisors (see below), whose sum is σ = 924865956. Its totient is φ = 176164928.

The previous prime is 440412337. The next prime is 440412341. The reversal of 440412340 is 43214044.

It can be written as a sum of positive squares in 2 ways, for example, as 158306724 + 282105616 = 12582^2 + 16796^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (440412341) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11010289 + ... + 11010328.

It is an arithmetic number, because the mean of its divisors is an integer number (77072163).

Almost surely, 2^440412340 is an apocalyptic number.

It is an amenable number.

440412340 is an abundant number, since it is smaller than the sum of its proper divisors (484453616).

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

440412340 is a wasteful number, since it uses less digits than its factorization.

440412340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22020626 (or 22020624 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 22.

The square root of 440412340 is about 20986.0034308584. The cubic root of 440412340 is about 760.8280103081.

Adding to 440412340 its reverse (43214044), we get a palindrome (483626384).

The spelling of 440412340 in words is "four hundred forty million, four hundred twelve thousand, three hundred forty".