240840533136 has 160 divisors (see below), whose sum is σ = 736789413888. Its totient is φ = 66337896960.

The previous prime is 240840533117. The next prime is 240840533173. The reversal of 240840533136 is 631335048042.

It is a junction number, because it is equal to n+sod(n) for n = 240840533094 and 240840533103.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2695450 + ... + 2783366.

Almost surely, 2^240840533136 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 240840533136, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (368394706944).

240840533136 is an abundant number, since it is smaller than the sum of its proper divisors (495948880752).

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

240840533136 is a wasteful number, since it uses less digits than its factorization.

240840533136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88229 (or 88223 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 39.

The spelling of 240840533136 in words is "two hundred forty billion, eight hundred forty million, five hundred thirty-three thousand, one hundred thirty-six".