242624420 has 24 divisors (see below), whose sum is σ = 517118784. Its totient is φ = 95600736.

The previous prime is 242624419. The next prime is 242624449. The reversal of 242624420 is 24426242.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 242624420.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 89192 + ... + 91871.

It is an arithmetic number, because the mean of its divisors is an integer number (21546616).

Almost surely, 2^242624420 is an apocalyptic number.

242624420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

242624420 is an abundant number, since it is smaller than the sum of its proper divisors (274494364).

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

242624420 is a wasteful number, since it uses less digits than its factorization.

242624420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 181139 (or 181137 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 26.

The square root of 242624420 is about 15576.4058755542. The cubic root of 242624420 is about 623.7034840674.

It can be divided in two parts, 24262 and 4420, that added together give a palindrome (28682).

The spelling of 242624420 in words is "two hundred forty-two million, six hundred twenty-four thousand, four hundred twenty".