440004132432 has 30 divisors (see below), whose sum is σ = 1231400454362. Its totient is φ = 146668044096.

The previous prime is 440004132413. The next prime is 440004132487. The reversal of 440004132432 is 234231400044.

It is a happy number.

440004132432 is a `hidden beast` number, since 4 + 4 + 0 + 0 + 0 + 413 + 243 + 2 = 666.

It can be written as a sum of positive squares in only one way, i.e., 394982082576 + 45022049856 = 628476^2 + 212184^2 .

It is a junction number, because it is equal to n+sod(n) for n = 440004132396 and 440004132405.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1527791983 + ... + 1527792270.

Almost surely, 2^440004132432 is an apocalyptic number.

It is an amenable number.

440004132432 is an abundant number, since it is smaller than the sum of its proper divisors (791396321930).

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

440004132432 is a wasteful number, since it uses less digits than its factorization.

440004132432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3055584267 (or 3055584258 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 27.

Adding to 440004132432 its reverse (234231400044), we get a palindrome (674235532476).

The spelling of 440004132432 in words is "four hundred forty billion, four million, one hundred thirty-two thousand, four hundred thirty-two".