32497416840 has 256 divisors, whose sum is σ = 120013977600. Its totient is φ = 6873237504.

The previous prime is 32497416827. The next prime is 32497416899. The reversal of 32497416840 is 4861479423.

It is a self number, because there is not a number n which added to its sum of digits gives 32497416840.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 662604 + ... + 709956.

It is an arithmetic number, because the mean of its divisors is an integer number (468804600).

Almost surely, 2^32497416840 is an apocalyptic number.

32497416840 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 32497416840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (60006988800).

32497416840 is an abundant number, since it is smaller than the sum of its proper divisors (87516560760).

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

32497416840 is a wasteful number, since it uses less digits than its factorization.

32497416840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47436 (or 47432 counting only the distinct ones).

The product of its (nonzero) digits is 1161216, while the sum is 48.

The spelling of 32497416840 in words is "thirty-two billion, four hundred ninety-seven million, four hundred sixteen thousand, eight hundred forty".