463440132 has 18 divisors (see below), whose sum is σ = 1171473758. Its totient is φ = 154480032.

The previous prime is 463440121. The next prime is 463440137. The reversal of 463440132 is 231044364.

It can be written as a sum of positive squares in only one way, i.e., 329204736 + 134235396 = 18144^2 + 11586^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a junction number, because it is equal to n+sod(n) for n = 463440096 and 463440105.

It is not an unprimeable number, because it can be changed into a prime (463440137) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6436633 + ... + 6436704.

Almost surely, 2^463440132 is an apocalyptic number.

It is an amenable number.

463440132 is an abundant number, since it is smaller than the sum of its proper divisors (708033626).

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

463440132 is a wasteful number, since it uses less digits than its factorization.

463440132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12873347 (or 12873342 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 27.

The square root of 463440132 is about 21527.6596963070. The cubic root of 463440132 is about 773.8638263732.

Adding to 463440132 its reverse (231044364), we get a palindrome (694484496).

The spelling of 463440132 in words is "four hundred sixty-three million, four hundred forty thousand, one hundred thirty-two".