440460870 has 64 divisors (see below), whose sum is σ = 1080091584. Its totient is φ = 114923520.

The previous prime is 440460847. The next prime is 440460877. The reversal of 440460870 is 78064044.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (440460877) 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, 425874 + ... + 426906.

It is an arithmetic number, because the mean of its divisors is an integer number (16876431).

Almost surely, 2^440460870 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 440460870, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (540045792).

440460870 is an abundant number, since it is smaller than the sum of its proper divisors (639630714).

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

440460870 is a wasteful number, since it uses less digits than its factorization.

440460870 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1337.

The product of its (nonzero) digits is 21504, while the sum is 33.

The square root of 440460870 is about 20987.1596458406. The cubic root of 440460870 is about 760.8559550498.

It can be divided in two parts, 440460 and 870, that added together give a triangular number (441330 = T₉₃₉).

The spelling of 440460870 in words is "four hundred forty million, four hundred sixty thousand, eight hundred seventy".