440132832 has 48 divisors (see below), whose sum is σ = 1283723280. Its totient is φ = 146710656.

The previous prime is 440132801. The next prime is 440132843. The reversal of 440132832 is 238231044.

It is a tau number, because it is divible by the number of its divisors (48).

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 440132796 and 440132805.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 253843 + ... + 255570.

It is an arithmetic number, because the mean of its divisors is an integer number (26744235).

Almost surely, 2^440132832 is an apocalyptic number.

It is an amenable number.

440132832 is an abundant number, since it is smaller than the sum of its proper divisors (843590448).

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

440132832 is a wasteful number, since it uses less digits than its factorization.

440132832 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 509432 (or 509418 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

The square root of 440132832 is about 20979.3429830393. The cubic root of 440132832 is about 760.6670229032.

Adding to 440132832 its reverse (238231044), we get a palindrome (678363876).

The spelling of 440132832 in words is "four hundred forty million, one hundred thirty-two thousand, eight hundred thirty-two".