32543252040 has 128 divisors (see below), whose sum is σ = 105293260800. Its totient is φ = 7998950400.

The previous prime is 32543252011. The next prime is 32543252087. The reversal of 32543252040 is 4025234523.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 32543251989 and 32543252007.

It is an unprimeable number.

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, 1078681 + ... + 1108439.

It is an arithmetic number, because the mean of its divisors is an integer number (822603600).

Almost surely, 2^32543252040 is an apocalyptic number.

32543252040 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 32543252040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (52646630400).

32543252040 is an abundant number, since it is smaller than the sum of its proper divisors (72750008760).

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

32543252040 is a wasteful number, since it uses less digits than its factorization.

32543252040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30487 (or 30483 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 30.

Adding to 32543252040 its reverse (4025234523), we get a palindrome (36568486563).

The spelling of 32543252040 in words is "thirty-two billion, five hundred forty-three million, two hundred fifty-two thousand, forty".