242856040 has 32 divisors (see below), whose sum is σ = 624487680. Its totient is φ = 83264832.

The previous prime is 242856023. The next prime is 242856059. The reversal of 242856040 is 40658242.

242856040 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 242855993 and 242856011.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 433392 + ... + 433951.

It is an arithmetic number, because the mean of its divisors is an integer number (19515240).

Almost surely, 2^242856040 is an apocalyptic number.

242856040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

242856040 is an abundant number, since it is smaller than the sum of its proper divisors (381631640).

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

242856040 is a wasteful number, since it uses less digits than its factorization.

242856040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 867361 (or 867357 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 31.

The square root of 242856040 is about 15583.8390648774. The cubic root of 242856040 is about 623.9018925861.

The spelling of 242856040 in words is "two hundred forty-two million, eight hundred fifty-six thousand, forty".