242636442 has 32 divisors (see below), whose sum is σ = 513160704. Its totient is φ = 76358400.

The previous prime is 242636431. The next prime is 242636447. The reversal of 242636442 is 244636242.

It is not an unprimeable number, because it can be changed into a prime (242636447) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8283 + ... + 23534.

It is an arithmetic number, because the mean of its divisors is an integer number (16036272).

Almost surely, 2^242636442 is an apocalyptic number.

242636442 is an abundant number, since it is smaller than the sum of its proper divisors (270524262).

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

242636442 is a wasteful number, since it uses less digits than its factorization.

242636442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31894.

The product of its digits is 55296, while the sum is 33.

The square root of 242636442 is about 15576.7917749452. The cubic root of 242636442 is about 623.7137853655.

The spelling of 242636442 in words is "two hundred forty-two million, six hundred thirty-six thousand, four hundred forty-two".