440065080 has 576 divisors, whose sum is σ = 1904666400. Its totient is φ = 87091200.

The previous prime is 440065069. The next prime is 440065121. The reversal of 440065080 is 80560044.

440065080 is a `hidden beast` number, since 4 + 4 + 0 + 0 + 650 + 8 + 0 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 4357030 + ... + 4357130.

Almost surely, 2^440065080 is an apocalyptic number.

440065080 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 440065080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (952333200).

440065080 is an abundant number, since it is smaller than the sum of its proper divisors (1464601320).

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

440065080 is a wasteful number, since it uses less digits than its factorization.

440065080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 164 (or 150 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 27.

The square root of 440065080 is about 20977.7281896777. The cubic root of 440065080 is about 760.6279897197.

The spelling of 440065080 in words is "four hundred forty million, sixty-five thousand, eighty".