32304400000 has 96 divisors (see below), whose sum is σ = 80441374860. Its totient is φ = 12921600000.

The previous prime is 32304399961. The next prime is 32304400019. The reversal of 32304400000 is 440323.

It can be written as a sum of positive squares in 6 ways, for example, as 7246776384 + 25057623616 = 85128^2 + 158296^2 .

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 359620 + ... + 440380.

Almost surely, 2^32304400000 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 32304400000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (40220687430).

32304400000 is an abundant number, since it is smaller than the sum of its proper divisors (48136974860).

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

32304400000 is an frugal number, since it uses more digits than its factorization.

32304400000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80800 (or 80768 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 16.

Adding to 32304400000 its reverse (440323), we get a palindrome (32304840323).

The spelling of 32304400000 in words is "thirty-two billion, three hundred four million, four hundred thousand".