242680844 has 24 divisors (see below), whose sum is σ = 510908160. Its totient is φ = 98531856.

The previous prime is 242680783. The next prime is 242680849. The reversal of 242680844 is 448086242.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is a junction number, because it is equal to n+sod(n) for n = 242680798 and 242680807.

It is not an unprimeable number, because it can be changed into a prime (242680849) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 227552 + ... + 228615.

It is an arithmetic number, because the mean of its divisors is an integer number (21287840).

Almost surely, 2^242680844 is an apocalyptic number.

It is an amenable number.

242680844 is an abundant number, since it is smaller than the sum of its proper divisors (268227316).

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

242680844 is a wasteful number, since it uses less digits than its factorization.

242680844 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 456197 (or 456195 counting only the distinct ones).

The product of its (nonzero) digits is 98304, while the sum is 38.

The square root of 242680844 is about 15578.2169711428. The cubic root of 242680844 is about 623.7518291841.

The spelling of 242680844 in words is "two hundred forty-two million, six hundred eighty thousand, eight hundred forty-four".