240421868123982 has 32 divisors (see below), whose sum is σ = 480958944210432. Its totient is φ = 80121422147424.

The previous prime is 240421868123959. The next prime is 240421868124007. The reversal of 240421868123982 is 289321868124042.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2523086343 + ... + 2523181629.

It is an arithmetic number, because the mean of its divisors is an integer number (15029967006576).

Almost surely, 2^{240421868123982} is an apocalyptic number.

240421868123982 is an abundant number, since it is smaller than the sum of its proper divisors (240537076086450).

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

240421868123982 is a wasteful number, since it uses less digits than its factorization.

240421868123982 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 191632.

The product of its (nonzero) digits is 21233664, while the sum is 60.

Adding to 240421868123982 its sum of digits (60), we get a palindrome (240421868124042).

The spelling of 240421868123982 in words is "two hundred forty trillion, four hundred twenty-one billion, eight hundred sixty-eight million, one hundred twenty-three thousand, nine hundred eighty-two".