242455424 has 32 divisors (see below), whose sum is σ = 489151200. Its totient is φ = 119688192.

The previous prime is 242455417. The next prime is 242455429. The reversal of 242455424 is 424554242.

It is a tau number, because it is divible by the number of its divisors (32).

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242455429) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1877 + ... + 22100.

It is an arithmetic number, because the mean of its divisors is an integer number (15285975).

Almost surely, 2^242455424 is an apocalyptic number.

It is an amenable number.

242455424 is an abundant number, since it is smaller than the sum of its proper divisors (246695776).

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

242455424 is an equidigital number, since it uses as much as digits as its factorization.

242455424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24070 (or 24058 counting only the distinct ones).

The product of its digits is 51200, while the sum is 32.

The square root of 242455424 is about 15570.9801875155. The cubic root of 242455424 is about 623.5586403403.

The spelling of 242455424 in words is "two hundred forty-two million, four hundred fifty-five thousand, four hundred twenty-four".