32040004400 has 30 divisors (see below), whose sum is σ = 76976111532. Its totient is φ = 12816001600.

The previous prime is 32040004391. The next prime is 32040004439. The reversal of 32040004400 is 440004023.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 40049606 + ... + 40050405.

Almost surely, 2^32040004400 is an apocalyptic number.

It is an amenable number.

32040004400 is an abundant number, since it is smaller than the sum of its proper divisors (44936107132).

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

32040004400 is a wasteful number, since it uses less digits than its factorization.

32040004400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80100029 (or 80100018 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 17.

Adding to 32040004400 its reverse (440004023), we get a palindrome (32480008423).

The spelling of 32040004400 in words is "thirty-two billion, forty million, four thousand, four hundred".