32539565428 has 48 divisors (see below), whose sum is σ = 61042116240. Its totient is φ = 15176189952.

The previous prime is 32539565393. The next prime is 32539565437. The reversal of 32539565428 is 82456593523.

It can be written as a sum of positive squares in 8 ways, for example, as 377447184 + 32162118244 = 19428^2 + 179338^2 .

It is a Smith number, since the sum of its digits (52) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2213350 + ... + 2228002.

It is an arithmetic number, because the mean of its divisors is an integer number (1271710755).

Almost surely, 2^32539565428 is an apocalyptic number.

It is an amenable number.

32539565428 is a deficient number, since it is larger than the sum of its proper divisors (28502550812).

32539565428 is a wasteful number, since it uses less digits than its factorization.

32539565428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14821 (or 14785 counting only the distinct ones).

The product of its digits is 7776000, while the sum is 52.

The spelling of 32539565428 in words is "thirty-two billion, five hundred thirty-nine million, five hundred sixty-five thousand, four hundred twenty-eight".