440535340 has 48 divisors (see below), whose sum is σ = 1062718272. Its totient is φ = 150264576.

The previous prime is 440535313. The next prime is 440535379. The reversal of 440535340 is 43535044.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a junction number, because it is equal to n+sod(n) for n = 440535299 and 440535308.

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, 19594 + ... + 35566.

It is an arithmetic number, because the mean of its divisors is an integer number (22139964).

Almost surely, 2^440535340 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 440535340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (531359136).

440535340 is an abundant number, since it is smaller than the sum of its proper divisors (622182932).

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

440535340 is a wasteful number, since it uses less digits than its factorization.

440535340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16186 (or 16184 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 28.

The square root of 440535340 is about 20988.9337509079. The cubic root of 440535340 is about 760.8988326763.

The spelling of 440535340 in words is "four hundred forty million, five hundred thirty-five thousand, three hundred forty".