242140500 has 144 divisors (see below), whose sum is σ = 873110784. Its totient is φ = 55339200.

The previous prime is 242140471. The next prime is 242140501. The reversal of 242140500 is 5041242.

242140500 is a `hidden beast` number, since 24 + 2 + 140 + 500 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242140501) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 27657 + ... + 35343.

Almost surely, 2^242140500 is an apocalyptic number.

242140500 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 242140500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (436555392).

242140500 is an abundant number, since it is smaller than the sum of its proper divisors (630970284).

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

242140500 is a wasteful number, since it uses less digits than its factorization.

242140500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7719 (or 7704 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 18.

The square root of 242140500 is about 15560.8643718786. The cubic root of 242140500 is about 623.2885444161.

Adding to 242140500 its reverse (5041242), we get a palindrome (247181742).

The spelling of 242140500 in words is "two hundred forty-two million, one hundred forty thousand, five hundred".