240991751136 has 384 divisors, whose sum is σ = 696450908160. Its totient is φ = 72772761600.

The previous prime is 240991751111. The next prime is 240991751141. The reversal of 240991751136 is 631157199042.

It is a Harshad number since it is a multiple of its sum of digits (48).

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 63 ways as a sum of consecutive naturals, for example, 410547835 + ... + 410548421.

It is an arithmetic number, because the mean of its divisors is an integer number (1813674240).

Almost surely, 2^240991751136 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 240991751136, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (348225454080).

240991751136 is an abundant number, since it is smaller than the sum of its proper divisors (455459157024).

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

240991751136 is a wasteful number, since it uses less digits than its factorization.

240991751136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 798 (or 790 counting only the distinct ones).

The product of its (nonzero) digits is 408240, while the sum is 48.

The spelling of 240991751136 in words is "two hundred forty billion, nine hundred ninety-one million, seven hundred fifty-one thousand, one hundred thirty-six".