241545840 has 40 divisors (see below), whose sum is σ = 748792848. Its totient is φ = 64412160.

The previous prime is 241545797. The next prime is 241545847. The reversal of 241545840 is 48545142.

It is a happy number.

241545840 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (241545847) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 502981 + ... + 503460.

Almost surely, 2^241545840 is an apocalyptic number.

241545840 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

241545840 is an abundant number, since it is smaller than the sum of its proper divisors (507247008).

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

241545840 is a wasteful number, since it uses less digits than its factorization.

241545840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1006457 (or 1006451 counting only the distinct ones).

The product of its (nonzero) digits is 25600, while the sum is 33.

The square root of 241545840 is about 15541.7450757629. The cubic root of 241545840 is about 622.7778924102. Note that the first 3 decimals are identical.

The spelling of 241545840 in words is "two hundred forty-one million, five hundred forty-five thousand, eight hundred forty".