240987136 has 88 divisors (see below), whose sum is σ = 532121744. Its totient is φ = 108380160.

The previous prime is 240987133. The next prime is 240987137. The reversal of 240987136 is 631789042.

It is not an unprimeable number, because it can be changed into a prime (240987133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 572206 + ... + 572626.

It is an arithmetic number, because the mean of its divisors is an integer number (6046838).

Almost surely, 2^240987136 is an apocalyptic number.

240987136 is a gapful number since it is divisible by the number (26) 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 240987136, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (266060872).

240987136 is an abundant number, since it is smaller than the sum of its proper divisors (291134608).

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

240987136 is a wasteful number, since it uses less digits than its factorization.

240987136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 497 (or 479 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 40.

The square root of 240987136 is about 15523.7603691889. The cubic root of 240987136 is about 622.2973526816.

The spelling of 240987136 in words is "two hundred forty million, nine hundred eighty-seven thousand, one hundred thirty-six".