32491220496 has 40 divisors (see below), whose sum is σ = 95926461504. Its totient is φ = 9283205760.

The previous prime is 32491220491. The next prime is 32491220507. The reversal of 32491220496 is 69402219423.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is not an unprimeable number, because it can be changed into a prime (32491220491) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48349695 + ... + 48350366.

Almost surely, 2^32491220496 is an apocalyptic number.

It is an amenable number.

32491220496 is an abundant number, since it is smaller than the sum of its proper divisors (63435241008).

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

32491220496 is a wasteful number, since it uses less digits than its factorization.

32491220496 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96700079 (or 96700073 counting only the distinct ones).

The product of its (nonzero) digits is 186624, while the sum is 42.

The spelling of 32491220496 in words is "thirty-two billion, four hundred ninety-one million, two hundred twenty thousand, four hundred ninety-six".