32040442400 has 36 divisors (see below), whose sum is σ = 78218731962. Its totient is φ = 12816176640.

The previous prime is 32040442393. The next prime is 32040442433. The reversal of 32040442400 is 424404023.

It can be written as a sum of positive squares in 3 ways, for example, as 22168827664 + 9871614736 = 148892^2 + 99356^2 .

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, 20024477 + ... + 20026076.

Almost surely, 2^32040442400 is an apocalyptic number.

It is an amenable number.

32040442400 is an abundant number, since it is smaller than the sum of its proper divisors (46178289562).

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

32040442400 is a wasteful number, since it uses less digits than its factorization.

32040442400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40050573 (or 40050560 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 23.

Adding to 32040442400 its reverse (424404023), we get a palindrome (32464846423).

The spelling of 32040442400 in words is "thirty-two billion, forty million, four hundred forty-two thousand, four hundred".