32401423032 has 128 divisors (see below), whose sum is σ = 91116023040. Its totient is φ = 9515335680.

The previous prime is 32401422997. The next prime is 32401423039. The reversal of 32401423032 is 23032410423.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a junction number, because it is equal to n+sod(n) for n = 32401422993 and 32401423011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32401423039) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2503923 + ... + 2516829.

It is an arithmetic number, because the mean of its divisors is an integer number (711843930).

Almost surely, 2^32401423032 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 32401423032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (45558011520).

32401423032 is an abundant number, since it is smaller than the sum of its proper divisors (58714600008).

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

32401423032 is a wasteful number, since it uses less digits than its factorization.

32401423032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13221 (or 13217 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 24.

Adding to 32401423032 its reverse (23032410423), we get a palindrome (55433833455).

The spelling of 32401423032 in words is "thirty-two billion, four hundred one million, four hundred twenty-three thousand, thirty-two".