440431260 has 96 divisors (see below), whose sum is σ = 1285466112. Its totient is φ = 112546560.

The previous prime is 440431253. The next prime is 440431261. The reversal of 440431260 is 62134044.

It is a self number, because there is not a number n which added to its sum of digits gives 440431260.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (440431261) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 197914 + ... + 200126.

It is an arithmetic number, because the mean of its divisors is an integer number (13390272).

Almost surely, 2^440431260 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 440431260, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (642733056).

440431260 is an abundant number, since it is smaller than the sum of its proper divisors (845034852).

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

440431260 is a wasteful number, since it uses less digits than its factorization.

440431260 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2363 (or 2361 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 24.

The square root of 440431260 is about 20986.4542026518. The cubic root of 440431260 is about 760.8389051435.

The spelling of 440431260 in words is "four hundred forty million, four hundred thirty-one thousand, two hundred sixty".