240991154720 has 24 divisors (see below), whose sum is σ = 569341603404. Its totient is φ = 96396461824.

The previous prime is 240991154683. The next prime is 240991154749. The reversal of 240991154720 is 27451199042.

It can be written as a sum of positive squares in 2 ways, for example, as 231711300496 + 9279854224 = 481364^2 + 96332^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 753097199 + ... + 753097518.

Almost surely, 2^240991154720 is an apocalyptic number.

240991154720 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

240991154720 is an abundant number, since it is smaller than the sum of its proper divisors (328350448684).

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

240991154720 is a wasteful number, since it uses less digits than its factorization.

240991154720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1506194732 (or 1506194724 counting only the distinct ones).

The product of its (nonzero) digits is 181440, while the sum is 44.

The spelling of 240991154720 in words is "two hundred forty billion, nine hundred ninety-one million, one hundred fifty-four thousand, seven hundred twenty".