32791540149 has 20 divisors (see below), whose sum is σ = 49024899660. Its totient is φ = 21843172800.

The previous prime is 32791540147. The next prime is 32791540163. The reversal of 32791540149 is 94104519723.

32791540149 is a `hidden beast` number, since 3 + 2 + 7 + 91 + 540 + 14 + 9 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 23340200625 + 9451339524 = 152775^2 + 97218^2 .

It is not a de Polignac number, because 32791540149 - 2¹ = 32791540147 is a prime.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32791540147) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 65152 + ... + 264249.

It is an arithmetic number, because the mean of its divisors is an integer number (2451244983).

Almost surely, 2^32791540149 is an apocalyptic number.

It is an amenable number.

32791540149 is a deficient number, since it is larger than the sum of its proper divisors (16233359511).

32791540149 is a wasteful number, since it uses less digits than its factorization.

32791540149 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 330642 (or 330633 counting only the distinct ones).

The product of its (nonzero) digits is 272160, while the sum is 45.

The spelling of 32791540149 in words is "thirty-two billion, seven hundred ninety-one million, five hundred forty thousand, one hundred forty-nine".