241642440 has 160 divisors (see below), whose sum is σ = 874815480. Its totient is φ = 59470848.

The previous prime is 241642433. The next prime is 241642493. The reversal of 241642440 is 44246142.

It is a happy number.

241642440 is a `hidden beast` number, since 2 + 416 + 4 + 244 + 0 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 69455556 + 172186884 = 8334^2 + 13122^2 .

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 39252 + ... + 44988.

Almost surely, 2^241642440 is an apocalyptic number.

241642440 is a gapful number since it is divisible by the number (20) 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 241642440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (437407740).

241642440 is an abundant number, since it is smaller than the sum of its proper divisors (633173040).

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

241642440 is a wasteful number, since it uses less digits than its factorization.

241642440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5773 (or 5760 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 27.

The square root of 241642440 is about 15544.8525242281. The cubic root of 241642440 is about 622.8609026390.

Adding to 241642440 its reverse (44246142), we get a palindrome (285888582).

The spelling of 241642440 in words is "two hundred forty-one million, six hundred forty-two thousand, four hundred forty".