242578830 has 32 divisors (see below), whose sum is σ = 626973984. Its totient is φ = 59711616.

The previous prime is 242578829. The next prime is 242578849. The reversal of 242578830 is 38875242.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 310609 + ... + 311388.

It is an arithmetic number, because the mean of its divisors is an integer number (19592937).

Almost surely, 2^242578830 is an apocalyptic number.

242578830 is an abundant number, since it is smaller than the sum of its proper divisors (384395154).

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

242578830 is a wasteful number, since it uses less digits than its factorization.

242578830 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 622020.

The product of its (nonzero) digits is 107520, while the sum is 39.

The square root of 242578830 is about 15574.9423754953. The cubic root of 242578830 is about 623.6644162453.

The spelling of 242578830 in words is "two hundred forty-two million, five hundred seventy-eight thousand, eight hundred thirty".