32040663642 has 64 divisors (see below), whose sum is σ = 80714256000. Its totient is φ = 9339784704.

The previous prime is 32040663631. The next prime is 32040663649. The reversal of 32040663642 is 24636604023.

32040663642 is a `hidden beast` number, since 3 + 2 + 0 + 4 + 0 + 6 + 6 + 3 + 642 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 32040663597 and 32040663606.

It is not an unprimeable number, because it can be changed into a prime (32040663649) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1187767 + ... + 1214442.

It is an arithmetic number, because the mean of its divisors is an integer number (1261160250).

Almost surely, 2^32040663642 is an apocalyptic number.

32040663642 is an abundant number, since it is smaller than the sum of its proper divisors (48673592358).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

32040663642 is a wasteful number, since it uses less digits than its factorization.

32040663642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2402252 (or 2402246 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 36.

The spelling of 32040663642 in words is "thirty-two billion, forty million, six hundred sixty-three thousand, six hundred forty-two".