32640262136 has 16 divisors (see below), whose sum is σ = 63861382800. Its totient is φ = 15610560064.

The previous prime is 32640262133. The next prime is 32640262169. The reversal of 32640262136 is 63126204623.

It is a junction number, because it is equal to n+sod(n) for n = 32640262096 and 32640262105.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32640262133) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 88696181 + ... + 88696548.

It is an arithmetic number, because the mean of its divisors is an integer number (3991336425).

Almost surely, 2^32640262136 is an apocalyptic number.

It is an amenable number.

32640262136 is a deficient number, since it is larger than the sum of its proper divisors (31221120664).

32640262136 is a wasteful number, since it uses less digits than its factorization.

32640262136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 177392758 (or 177392754 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 35.

Adding to 32640262136 its reverse (63126204623), we get a palindrome (95766466759).

The spelling of 32640262136 in words is "thirty-two billion, six hundred forty million, two hundred sixty-two thousand, one hundred thirty-six".