242188956 has 36 divisors (see below), whose sum is σ = 612788904. Its totient is φ = 80652000.

The previous prime is 242188949. The next prime is 242188963. The reversal of 242188956 is 659881242.

It is an interprime number because it is at equal distance from previous prime (242188949) and next prime (242188963).

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 44251 + ... + 49421.

It is an arithmetic number, because the mean of its divisors is an integer number (17021914).

Almost surely, 2^242188956 is an apocalyptic number.

It is an amenable number.

242188956 is an abundant number, since it is smaller than the sum of its proper divisors (370599948).

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

242188956 is a wasteful number, since it uses less digits than its factorization.

242188956 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6482 (or 6477 counting only the distinct ones).

The product of its digits is 276480, while the sum is 45.

The square root of 242188956 is about 15562.4212769093. The cubic root of 242188956 is about 623.3301181516.

The spelling of 242188956 in words is "two hundred forty-two million, one hundred eighty-eight thousand, nine hundred fifty-six".