32413428728 has 8 divisors (see below), whose sum is σ = 60775178880. Its totient is φ = 16206714360.

The previous prime is 32413428721. The next prime is 32413428833. The reversal of 32413428728 is 82782431423.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32413428721) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2025839288 + ... + 2025839303.

It is an arithmetic number, because the mean of its divisors is an integer number (7596897360).

Almost surely, 2^32413428728 is an apocalyptic number.

It is an amenable number.

32413428728 is a deficient number, since it is larger than the sum of its proper divisors (28361750152).

32413428728 is a wasteful number, since it uses less digits than its factorization.

32413428728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4051678597 (or 4051678593 counting only the distinct ones).

The product of its digits is 516096, while the sum is 44.

The spelling of 32413428728 in words is "thirty-two billion, four hundred thirteen million, four hundred twenty-eight thousand, seven hundred twenty-eight".