241221440402544 has 80 divisors (see below), whose sum is σ = 736735433771520. Its totient is φ = 66543845625600.

The previous prime is 241221440402543. The next prime is 241221440402627. The reversal of 241221440402544 is 445204044122142.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (241221440402543) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12377937732 + ... + 12377957219.

It is an arithmetic number, because the mean of its divisors is an integer number (9209192922144).

Almost surely, 2^{241221440402544} is an apocalyptic number.

241221440402544 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

241221440402544 is an abundant number, since it is smaller than the sum of its proper divisors (495513993368976).

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

241221440402544 is a wasteful number, since it uses less digits than its factorization.

241221440402544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24755894998 (or 24755894992 counting only the distinct ones).

The product of its (nonzero) digits is 327680, while the sum is 39.

Adding to 241221440402544 its reverse (445204044122142), we get a palindrome (686425484524686).

The spelling of 241221440402544 in words is "two hundred forty-one trillion, two hundred twenty-one billion, four hundred forty million, four hundred two thousand, five hundred forty-four".