242440628 has 24 divisors (see below), whose sum is σ = 430080840. Its totient is φ = 119567360.

The previous prime is 242440607. The next prime is 242440633. The reversal of 242440628 is 826044242.

242440628 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 11035684 + 231404944 = 3322^2 + 15212^2 .

It is a junction number, because it is equal to n+sod(n) for n = 242440594 and 242440603.

It is a congruent number.

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, 274748 + ... + 275628.

It is an arithmetic number, because the mean of its divisors is an integer number (17920035).

Almost surely, 2^242440628 is an apocalyptic number.

It is an amenable number.

242440628 is a deficient number, since it is larger than the sum of its proper divisors (187640212).

242440628 is a wasteful number, since it uses less digits than its factorization.

242440628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1747 (or 1745 counting only the distinct ones).

The product of its (nonzero) digits is 24576, while the sum is 32.

The square root of 242440628 is about 15570.5050656682. The cubic root of 242440628 is about 623.5459557250.

The spelling of 242440628 in words is "two hundred forty-two million, four hundred forty thousand, six hundred twenty-eight".