242402424 has 64 divisors (see below), whose sum is σ = 667716480. Its totient is φ = 72720000.

The previous prime is 242402383. The next prime is 242402431. The reversal of 242402424 is 424204242.

242402424 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×242402424² = 117517870322151552, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a junction number, because it is equal to n+sod(n) for n = 242402394 and 242402403.

It is a congruent number.

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, 22119 + ... + 31209.

It is an arithmetic number, because the mean of its divisors is an integer number (10433070).

Almost surely, 2^242402424 is an apocalyptic number.

242402424 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 242402424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (333858240).

242402424 is an abundant number, since it is smaller than the sum of its proper divisors (425314056).

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

242402424 is a wasteful number, since it uses less digits than its factorization.

242402424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9212 (or 9208 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 24.

The square root of 242402424 is about 15569.2782106301. The cubic root of 242402424 is about 623.5132010374.

242402424 divided by its sum of digits (24) gives a palindrome (10100101).

Adding to 242402424 its reverse (424204242), we get a palindrome (666606666).

The spelling of 242402424 in words is "two hundred forty-two million, four hundred two thousand, four hundred twenty-four".