242680628 has 6 divisors (see below), whose sum is σ = 424691106. Its totient is φ = 121340312.

The previous prime is 242680619. The next prime is 242680639. The reversal of 242680628 is 826086242.

242680628 is digitally balanced in base 2, 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 only one way, i.e., 139901584 + 102779044 = 11828^2 + 10138^2 .

It is a junction number, because it is equal to n+sod(n) for n = 242680591 and 242680600.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30335075 + ... + 30335082.

It is an arithmetic number, because the mean of its divisors is an integer number (70781851).

Almost surely, 2^242680628 is an apocalyptic number.

It is an amenable number.

242680628 is a deficient number, since it is larger than the sum of its proper divisors (182010478).

242680628 is a wasteful number, since it uses less digits than its factorization.

242680628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60670161 (or 60670159 counting only the distinct ones).

The product of its (nonzero) digits is 73728, while the sum is 38.

The square root of 242680628 is about 15578.2100383837. The cubic root of 242680628 is about 623.7516441256.

The spelling of 242680628 in words is "two hundred forty-two million, six hundred eighty thousand, six hundred twenty-eight".