440504132 has 24 divisors (see below), whose sum is σ = 814107840. Its totient is φ = 207977760.

The previous prime is 440504131. The next prime is 440504159. The reversal of 440504132 is 231405044.

It is a junction number, because it is equal to n+sod(n) for n = 440504098 and 440504107.

It is not an unprimeable number, because it can be changed into a prime (440504131) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14318 + ... + 32954.

It is an arithmetic number, because the mean of its divisors is an integer number (33921160).

Almost surely, 2^440504132 is an apocalyptic number.

It is an amenable number.

440504132 is a deficient number, since it is larger than the sum of its proper divisors (373603708).

440504132 is a wasteful number, since it uses less digits than its factorization.

440504132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18971 (or 18969 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 23.

The square root of 440504132 is about 20988.1902983559. The cubic root of 440504132 is about 760.8808646198.

Adding to 440504132 its reverse (231405044), we get a palindrome (671909176).

The spelling of 440504132 in words is "four hundred forty million, five hundred four thousand, one hundred thirty-two".