242021034 has 40 divisors (see below), whose sum is σ = 544325760. Its totient is φ = 80373384.

The previous prime is 242020969. The next prime is 242021041. The reversal of 242021034 is 430120242.

242021034 is a `hidden beast` number, since 2 + 420 + 210 + 34 = 666.

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

It is a junction number, because it is equal to n+sod(n) for n = 242020998 and 242021016.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 43207 + ... + 48485.

It is an arithmetic number, because the mean of its divisors is an integer number (13608144).

Almost surely, 2^242021034 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 242021034, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (272162880).

242021034 is an abundant number, since it is smaller than the sum of its proper divisors (302304726).

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

242021034 is a wasteful number, since it uses less digits than its factorization.

242021034 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5576 (or 5567 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 242021034 is about 15557.0252297796. The cubic root of 242021034 is about 623.1860226178.

Adding to 242021034 its reverse (430120242), we get a palindrome (672141276).

The spelling of 242021034 in words is "two hundred forty-two million, twenty-one thousand, thirty-four".