240978836 has 12 divisors (see below), whose sum is σ = 481957728. Its totient is φ = 103276632.

The previous prime is 240978821. The next prime is 240978847. The reversal of 240978836 is 638879042.

240978836 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

240978836 is an admirable number.

It is a hoax number, since the sum of its digits (47) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4303166 + ... + 4303221.

It is an arithmetic number, because the mean of its divisors is an integer number (40163144).

Almost surely, 2^240978836 is an apocalyptic number.

It is an amenable number.

240978836 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

240978836 is a wasteful number, since it uses less digits than its factorization.

240978836 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8606398 (or 8606396 counting only the distinct ones).

The product of its (nonzero) digits is 580608, while the sum is 47.

The square root of 240978836 is about 15523.4930347522. The cubic root of 240978836 is about 622.2902082790.

The spelling of 240978836 in words is "two hundred forty million, nine hundred seventy-eight thousand, eight hundred thirty-six".