240241221155 has 48 divisors (see below), whose sum is σ = 325386969600. Its totient is φ = 169258408704.

The previous prime is 240241221119. The next prime is 240241221173. The reversal of 240241221155 is 551122142042.

It is not a de Polignac number, because 240241221155 - 2⁶ = 240241221091 is a prime.

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, 13642046 + ... + 13659644.

It is an arithmetic number, because the mean of its divisors is an integer number (6778895200).

Almost surely, 2^240241221155 is an apocalyptic number.

240241221155 is a deficient number, since it is larger than the sum of its proper divisors (85145748445).

240241221155 is a wasteful number, since it uses less digits than its factorization.

240241221155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18060 (or 18037 counting only the distinct ones).

The product of its (nonzero) digits is 6400, while the sum is 29.

Adding to 240241221155 its reverse (551122142042), we get a palindrome (791363363197).

The spelling of 240241221155 in words is "two hundred forty billion, two hundred forty-one million, two hundred twenty-one thousand, one hundred fifty-five".