242430040 has 16 divisors (see below), whose sum is σ = 545467680. Its totient is φ = 96972000.

The previous prime is 242430029. The next prime is 242430073. The reversal of 242430040 is 40034242.

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, 3030336 + ... + 3030415.

It is an arithmetic number, because the mean of its divisors is an integer number (34091730).

Almost surely, 2^242430040 is an apocalyptic number.

242430040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

242430040 is an abundant number, since it is smaller than the sum of its proper divisors (303037640).

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

242430040 is a wasteful number, since it uses less digits than its factorization.

242430040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6060762 (or 6060758 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 19.

The square root of 242430040 is about 15570.1650601399. The cubic root of 242430040 is about 623.5368783126.

Adding to 242430040 its reverse (40034242), we get a palindrome (282464282).

The spelling of 242430040 in words is "two hundred forty-two million, four hundred thirty thousand, forty".