2209085604432 has 240 divisors, whose sum is σ = 7425290604160. Its totient is φ = 599826705408.

The previous prime is 2209085604359. The next prime is 2209085604461. The reversal of 2209085604432 is 2344065809022.

2209085604432 is a `hidden beast` number, since 2 + 2 + 0 + 9 + 0 + 8 + 5 + 604 + 4 + 32 = 666.

It is a congruent number.

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, 914994 + ... + 2292462.

Almost surely, 2^{2209085604432} 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 2209085604432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3712645302080).

2209085604432 is an abundant number, since it is smaller than the sum of its proper divisors (5216204999728).

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

2209085604432 is a wasteful number, since it uses less digits than its factorization.

2209085604432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1377570 (or 1377561 counting only the distinct ones).

The product of its (nonzero) digits is 829440, while the sum is 45.

The spelling of 2209085604432 in words is "two trillion, two hundred nine billion, eighty-five million, six hundred four thousand, four hundred thirty-two".