240641263542 has 16 divisors (see below), whose sum is σ = 483563489472. Its totient is φ = 79833594120.

The previous prime is 240641263537. The next prime is 240641263571. The reversal of 240641263542 is 245362146042.

It is a happy number.

240641263542 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 240641263542.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 95038728 + ... + 95041259.

It is an arithmetic number, because the mean of its divisors is an integer number (30222718092).

Almost surely, 2^240641263542 is an apocalyptic number.

240641263542 is an abundant number, since it is smaller than the sum of its proper divisors (242922225930).

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

240641263542 is a wasteful number, since it uses less digits than its factorization.

240641263542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 190080203.

The product of its (nonzero) digits is 276480, while the sum is 39.

The spelling of 240641263542 in words is "two hundred forty billion, six hundred forty-one million, two hundred sixty-three thousand, five hundred forty-two".