32430031040 has 112 divisors (see below), whose sum is σ = 84366018720. Its totient is φ = 11775713280.

The previous prime is 32430031009. The next prime is 32430031043. The reversal of 32430031040 is 4013003423.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is not an unprimeable number, because it can be changed into a prime (32430031043) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2573876 + ... + 2586444.

Almost surely, 2^32430031040 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 32430031040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (42183009360).

32430031040 is an abundant number, since it is smaller than the sum of its proper divisors (51935987680).

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

32430031040 is a wasteful number, since it uses less digits than its factorization.

32430031040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13330 (or 13320 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 20.

Adding to 32430031040 its reverse (4013003423), we get a palindrome (36443034463).

The spelling of 32430031040 in words is "thirty-two billion, four hundred thirty million, thirty-one thousand, forty".