242441840 has 20 divisors (see below), whose sum is σ = 563677464. Its totient is φ = 96976704.

The previous prime is 242441813. The next prime is 242441851. The reversal of 242441840 is 48144242.

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

It is a Smith number, since the sum of its digits (29) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1515182 + ... + 1515341.

Almost surely, 2^242441840 is an apocalyptic number.

242441840 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

242441840 is an abundant number, since it is smaller than the sum of its proper divisors (321235624).

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

242441840 is a wasteful number, since it uses less digits than its factorization.

242441840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3030536 (or 3030530 counting only the distinct ones).

The product of its (nonzero) digits is 8192, while the sum is 29.

The square root of 242441840 is about 15570.5439853590. The cubic root of 242441840 is about 623.5469947924.

The spelling of 242441840 in words is "two hundred forty-two million, four hundred forty-one thousand, eight hundred forty".