241151640 has 96 divisors (see below), whose sum is σ = 734397840. Its totient is φ = 63347200.

The previous prime is 241151609. The next prime is 241151653. The reversal of 241151640 is 46151142.

It is a happy number.

It is a super-2 number, since 2×241151640² = 116308226949379200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 241151640.

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 23 ways as a sum of consecutive naturals, for example, 1224022 + ... + 1224218.

Almost surely, 2^241151640 is an apocalyptic number.

241151640 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 241151640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (367198920).

241151640 is an abundant number, since it is smaller than the sum of its proper divisors (493246200).

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

241151640 is a wasteful number, since it uses less digits than its factorization.

241151640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 413 (or 308 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 24.

The square root of 241151640 is about 15529.0579237763. The cubic root of 241151640 is about 622.4389191855.

The spelling of 241151640 in words is "two hundred forty-one million, one hundred fifty-one thousand, six hundred forty".