440739960 has 256 divisors, whose sum is σ = 1502323200. Its totient is φ = 102776832.

The previous prime is 440739953. The next prime is 440739983. The reversal of 440739960 is 69937044.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 3217012 + ... + 3217148.

It is an arithmetic number, because the mean of its divisors is an integer number (5868450).

Almost surely, 2^440739960 is an apocalyptic number.

440739960 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 440739960, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (751161600).

440739960 is an abundant number, since it is smaller than the sum of its proper divisors (1061583240).

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

440739960 is a wasteful number, since it uses less digits than its factorization.

440739960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 270 (or 266 counting only the distinct ones).

The product of its (nonzero) digits is 163296, while the sum is 42.

The square root of 440739960 is about 20993.8076584501. The cubic root of 440739960 is about 761.0166219548.

The spelling of 440739960 in words is "four hundred forty million, seven hundred thirty-nine thousand, nine hundred sixty".