440403132 has 48 divisors (see below), whose sum is σ = 1107986432. Its totient is φ = 135345600.

The previous prime is 440403101. The next prime is 440403157. The reversal of 440403132 is 231304044.

It is a junction number, because it is equal to n+sod(n) for n = 440403099 and 440403108.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 224757 + ... + 226707.

Almost surely, 2^440403132 is an apocalyptic number.

It is an amenable number.

440403132 is an abundant number, since it is smaller than the sum of its proper divisors (667583300).

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

440403132 is a wasteful number, since it uses less digits than its factorization.

440403132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3418 (or 3416 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 21.

The square root of 440403132 is about 20985.7840453961. The cubic root of 440403132 is about 760.8227078884.

Adding to 440403132 its reverse (231304044), we get a palindrome (671707176).

The spelling of 440403132 in words is "four hundred forty million, four hundred three thousand, one hundred thirty-two".