241220403440 has 20 divisors (see below), whose sum is σ = 560837438184. Its totient is φ = 96488161344.

The previous prime is 241220403383. The next prime is 241220403461. The reversal of 241220403440 is 44304022142.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (20).

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 1507627442 + ... + 1507627601.

Almost surely, 2^241220403440 is an apocalyptic number.

241220403440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

241220403440 is an abundant number, since it is smaller than the sum of its proper divisors (319617034744).

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

241220403440 is a wasteful number, since it uses less digits than its factorization.

241220403440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3015255056 (or 3015255050 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 26.

Adding to 241220403440 its reverse (44304022142), we get a palindrome (285524425582).

The spelling of 241220403440 in words is "two hundred forty-one billion, two hundred twenty million, four hundred three thousand, four hundred forty".