32304043540 has 12 divisors (see below), whose sum is σ = 67838491476. Its totient is φ = 12921617408.

The previous prime is 32304043531. The next prime is 32304043553. The reversal of 32304043540 is 4534040323.

It can be written as a sum of positive squares in 2 ways, for example, as 15454965124 + 16849078416 = 124318^2 + 129804^2 .

It is a junction number, because it is equal to n+sod(n) for n = 32304043499 and 32304043508.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 807601069 + ... + 807601108.

It is an arithmetic number, because the mean of its divisors is an integer number (5653207623).

Almost surely, 2^32304043540 is an apocalyptic number.

It is an amenable number.

32304043540 is an abundant number, since it is smaller than the sum of its proper divisors (35534447936).

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

32304043540 is a wasteful number, since it uses less digits than its factorization.

32304043540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1615202186 (or 1615202184 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 28.

Adding to 32304043540 its reverse (4534040323), we get a palindrome (36838083863).

The spelling of 32304043540 in words is "thirty-two billion, three hundred four million, forty-three thousand, five hundred forty".