32426997774220 has 144 divisors (see below), whose sum is σ = 83388363982560. Its totient is φ = 10532090935296.

The previous prime is 32426997774179. The next prime is 32426997774293. The reversal of 32426997774220 is 2247779962423.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 440828964 + ... + 440902516.

It is an arithmetic number, because the mean of its divisors is an integer number (579085860990).

Almost surely, 2^{32426997774220} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 32426997774220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (41694181991280).

32426997774220 is an abundant number, since it is smaller than the sum of its proper divisors (50961366208340).

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

32426997774220 is a wasteful number, since it uses less digits than its factorization.

32426997774220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97272 (or 97263 counting only the distinct ones).

The product of its (nonzero) digits is 128024064, while the sum is 64.

The spelling of 32426997774220 in words is "thirty-two trillion, four hundred twenty-six billion, nine hundred ninety-seven million, seven hundred seventy-four thousand, two hundred twenty".