32640369602 has 4 divisors (see below), whose sum is σ = 48960554406. Its totient is φ = 16320184800.

The previous prime is 32640369599. The next prime is 32640369607. The reversal of 32640369602 is 20696304623.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 20696304623 = 67 ⋅308900069.

It can be written as a sum of positive squares in only one way, i.e., 30975648001 + 1664721601 = 175999^2 + 40801^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 32640369602.

It is not an unprimeable number, because it can be changed into a prime (32640369607) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8160092399 + ... + 8160092402.

Almost surely, 2^32640369602 is an apocalyptic number.

32640369602 is a deficient number, since it is larger than the sum of its proper divisors (16320184804).

32640369602 is a wasteful number, since it uses less digits than its factorization.

32640369602 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16320184803.

The product of its (nonzero) digits is 279936, while the sum is 41.

The spelling of 32640369602 in words is "thirty-two billion, six hundred forty million, three hundred sixty-nine thousand, six hundred two".