241556663605520 has 40 divisors (see below), whose sum is σ = 562375123563456. Its totient is φ = 96492621454208.

The previous prime is 241556663605493. The next prime is 241556663605531. The reversal of 241556663605520 is 25506366655142.

It is a tau number, because it is divible by the number of its divisors (40).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2031877502 + ... + 2031996381.

Almost surely, 2^{241556663605520} is an apocalyptic number.

241556663605520 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

241556663605520 is an abundant number, since it is smaller than the sum of its proper divisors (320818459957936).

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

241556663605520 is a wasteful number, since it uses less digits than its factorization.

241556663605520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4063874639 (or 4063874633 counting only the distinct ones).

The product of its (nonzero) digits is 38880000, while the sum is 56.

The spelling of 241556663605520 in words is "two hundred forty-one trillion, five hundred fifty-six billion, six hundred sixty-three million, six hundred five thousand, five hundred twenty".