242656040 has 64 divisors (see below), whose sum is σ = 610182720. Its totient is φ = 86080000.

The previous prime is 242656033. The next prime is 242656069. The reversal of 242656040 is 40656242.

242656040 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 = 242655994 and 242656012.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11315 + ... + 24765.

It is an arithmetic number, because the mean of its divisors is an integer number (9534105).

Almost surely, 2^242656040 is an apocalyptic number.

242656040 is a gapful number since it is divisible by the number (20) 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 242656040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (305091360).

242656040 is an abundant number, since it is smaller than the sum of its proper divisors (367526680).

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

242656040 is a wasteful number, since it uses less digits than its factorization.

242656040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13514 (or 13510 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 29.

The square root of 242656040 is about 15577.4208391505. The cubic root of 242656040 is about 623.7305775857.

The spelling of 242656040 in words is "two hundred forty-two million, six hundred fifty-six thousand, forty".