240776538 has 16 divisors (see below), whose sum is σ = 494568480. Its totient is φ = 78089616.

The previous prime is 240776533. The next prime is 240776567. The reversal of 240776538 is 835677042.

240776538 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 240776538.

It is not an unprimeable number, because it can be changed into a prime (240776533) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 542068 + ... + 542511.

It is an arithmetic number, because the mean of its divisors is an integer number (30910530).

Almost surely, 2^240776538 is an apocalyptic number.

240776538 is an abundant number, since it is smaller than the sum of its proper divisors (253791942).

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

240776538 is a wasteful number, since it uses less digits than its factorization.

240776538 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1084621.

The product of its (nonzero) digits is 282240, while the sum is 42.

The square root of 240776538 is about 15516.9758007158. The cubic root of 240776538 is about 622.1160251985.

The spelling of 240776538 in words is "two hundred forty million, seven hundred seventy-six thousand, five hundred thirty-eight".