32040232400 has 120 divisors (see below), whose sum is σ = 86870556000. Its totient is φ = 11249190400.

The previous prime is 32040232381. The next prime is 32040232439. The reversal of 32040232400 is 423204023.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2051 + ... + 253149.

It is an arithmetic number, because the mean of its divisors is an integer number (723921300).

Almost surely, 2^32040232400 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 32040232400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (43435278000).

32040232400 is an abundant number, since it is smaller than the sum of its proper divisors (54830323600).

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

32040232400 is a wasteful number, since it uses less digits than its factorization.

32040232400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 251157 (or 251146 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 20.

Adding to 32040232400 its reverse (423204023), we get a palindrome (32463436423).

The spelling of 32040232400 in words is "thirty-two billion, forty million, two hundred thirty-two thousand, four hundred".