241638656 has 144 divisors (see below), whose sum is σ = 596520960. Its totient is φ = 95385600.

The previous prime is 241638623. The next prime is 241638659. The reversal of 241638656 is 656836142.

Its product of digits (207360) is a multiple of the sum of its prime factors (240).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (241638659) 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, 1600181 + ... + 1600331.

Almost surely, 2^241638656 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 241638656, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (298260480).

241638656 is an abundant number, since it is smaller than the sum of its proper divisors (354882304).

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

241638656 is a wasteful number, since it uses less digits than its factorization.

241638656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 240 (or 226 counting only the distinct ones).

The product of its digits is 207360, while the sum is 41.

The square root of 241638656 is about 15544.7308114358. The cubic root of 241638656 is about 622.8576513918.

It can be divided in two parts, 2416 and 38656, that multiplied together give a square (93392896 = 9664²).

The spelling of 241638656 in words is "two hundred forty-one million, six hundred thirty-eight thousand, six hundred fifty-six".