32640351424 has 28 divisors (see below), whose sum is σ = 68580740664. Its totient is φ = 15360164864.

The previous prime is 32640351421. The next prime is 32640351431. The reversal of 32640351424 is 42415304623.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is a self number, because there is not a number n which added to its sum of digits gives 32640351424.

It is not an unprimeable number, because it can be changed into a prime (32640351421) 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, 14999074 + ... + 15001249.

Almost surely, 2^32640351424 is an apocalyptic number.

32640351424 is a gapful number since it is divisible by the number (34) formed by its first and last digit.

It is an amenable number.

32640351424 is an abundant number, since it is smaller than the sum of its proper divisors (35940389240).

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

32640351424 is a wasteful number, since it uses less digits than its factorization.

32640351424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30000352 (or 30000342 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 34.

The spelling of 32640351424 in words is "thirty-two billion, six hundred forty million, three hundred fifty-one thousand, four hundred twenty-four".