2238741432585 has 192 divisors, whose sum is σ = 5034617130240. Its totient is φ = 937188403200.

The previous prime is 2238741432581. The next prime is 2238741432601. The reversal of 2238741432585 is 5852341478322.

2238741432585 is a `hidden beast` number, since 2 + 2 + 387 + 4 + 1 + 4 + 3 + 258 + 5 = 666.

It is not a de Polignac number, because 2238741432585 - 2² = 2238741432581 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2238741432581) by changing a digit.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 3891810 + ... + 4429860.

It is an arithmetic number, because the mean of its divisors is an integer number (26221964220).

Almost surely, 2^{2238741432585} is an apocalyptic number.

It is an amenable number.

2238741432585 is an abundant number, since it is smaller than the sum of its proper divisors (2795875697655).

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

2238741432585 is a wasteful number, since it uses less digits than its factorization.

2238741432585 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 538133 (or 538120 counting only the distinct ones).

The product of its digits is 12902400, while the sum is 54.

The spelling of 2238741432585 in words is "two trillion, two hundred thirty-eight billion, seven hundred forty-one million, four hundred thirty-two thousand, five hundred eighty-five".