3230400132 has 72 divisors (see below), whose sum is σ = 8475667200. Its totient is φ = 1036179648.

The previous prime is 3230400091. The next prime is 3230400137. The reversal of 3230400132 is 2310040323.

3230400132 is a `hidden beast` number, since 3 + 230 + 400 + 1 + 32 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (3230400137) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 315469 + ... + 325547.

It is an arithmetic number, because the mean of its divisors is an integer number (117717600).

Almost surely, 2^3230400132 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3230400132, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4237833600).

3230400132 is an abundant number, since it is smaller than the sum of its proper divisors (5245267068).

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

3230400132 is a wasteful number, since it uses less digits than its factorization.

3230400132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10425 (or 10420 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

The square root of 3230400132 is about 56836.6090825271. The cubic root of 3230400132 is about 1478.2643599291.

Adding to 3230400132 its reverse (2310040323), we get a palindrome (5540440455).

The spelling of 3230400132 in words is "three billion, two hundred thirty million, four hundred thousand, one hundred thirty-two".