242680404 has 12 divisors (see below), whose sum is σ = 566254304. Its totient is φ = 80893464.

The previous prime is 242680391. The next prime is 242680507. The reversal of 242680404 is 404086242.

It is a tau number, because it is divible by the number of its divisors (12).

It is a hoax number, since the sum of its digits (30) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10111672 + ... + 10111695.

Almost surely, 2^242680404 is an apocalyptic number.

It is an amenable number.

242680404 is an abundant number, since it is smaller than the sum of its proper divisors (323573900).

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

242680404 is a wasteful number, since it uses less digits than its factorization.

242680404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20223374 (or 20223372 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 30.

The square root of 242680404 is about 15578.2028488526. The cubic root of 242680404 is about 623.7514522130.

The spelling of 242680404 in words is "two hundred forty-two million, six hundred eighty thousand, four hundred four".