242409000 has 64 divisors (see below), whose sum is σ = 756325440. Its totient is φ = 64641600.

The previous prime is 242408977. The next prime is 242409007. The reversal of 242409000 is 904242.

It is not an unprimeable number, because it can be changed into a prime (242409007) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 37402 + ... + 43401.

It is an arithmetic number, because the mean of its divisors is an integer number (11817585).

Almost surely, 2^242409000 is an apocalyptic number.

242409000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

242409000 is an abundant number, since it is smaller than the sum of its proper divisors (513916440).

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

242409000 is a wasteful number, since it uses less digits than its factorization.

242409000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80827 (or 80813 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 242409000 is about 15569.4893943250. The cubic root of 242409000 is about 623.5188393003.

The spelling of 242409000 in words is "two hundred forty-two million, four hundred nine thousand".