241561012 has 144 divisors (see below), whose sum is σ = 570576384. Its totient is φ = 87436800.

The previous prime is 241560997. The next prime is 241561013. The reversal of 241561012 is 210165142.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (241561013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 5139573 + ... + 5139619.

It is an arithmetic number, because the mean of its divisors is an integer number (3962336).

Almost surely, 2^241561012 is an apocalyptic number.

241561012 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 241561012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (285288192).

241561012 is an abundant number, since it is smaller than the sum of its proper divisors (329015372).

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

241561012 is a wasteful number, since it uses less digits than its factorization.

241561012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 158 (or 145 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 22.

The square root of 241561012 is about 15542.2331728745. The cubic root of 241561012 is about 622.7909314651.

The spelling of 241561012 in words is "two hundred forty-one million, five hundred sixty-one thousand, twelve".