242407544 has 16 divisors (see below), whose sum is σ = 454683120. Its totient is φ = 121158720.

The previous prime is 242407499. The next prime is 242407547. The reversal of 242407544 is 445704242.

It is a super-3 number, since 3×242407544³ (a number of 26 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a self number, because there is not a number n which added to its sum of digits gives 242407544.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242407547) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32117 + ... + 38939.

It is an arithmetic number, because the mean of its divisors is an integer number (28417695).

Almost surely, 2^242407544 is an apocalyptic number.

It is an amenable number.

242407544 is a deficient number, since it is larger than the sum of its proper divisors (212275576).

242407544 is a wasteful number, since it uses less digits than its factorization.

242407544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11270 (or 11266 counting only the distinct ones).

The product of its (nonzero) digits is 35840, while the sum is 32.

The square root of 242407544 is about 15569.4426361383. The cubic root of 242407544 is about 623.5175909346.

The spelling of 242407544 in words is "two hundred forty-two million, four hundred seven thousand, five hundred forty-four".