242801538 has 32 divisors (see below), whose sum is σ = 559039104. Its totient is φ = 68863872.

The previous prime is 242801509. The next prime is 242801563. The reversal of 242801538 is 835108242.

It is a junction number, because it is equal to n+sod(n) for n = 242801499 and 242801508.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15345 + ... + 26852.

It is an arithmetic number, because the mean of its divisors is an integer number (17469972).

Almost surely, 2^242801538 is an apocalyptic number.

242801538 is an abundant number, since it is smaller than the sum of its proper divisors (316237566).

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

242801538 is a wasteful number, since it uses less digits than its factorization.

242801538 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42346.

The product of its (nonzero) digits is 15360, while the sum is 33.

The square root of 242801538 is about 15582.0902962343. The cubic root of 242801538 is about 623.8552168614.

The spelling of 242801538 in words is "two hundred forty-two million, eight hundred one thousand, five hundred thirty-eight".