242455320 has 48 divisors (see below), whose sum is σ = 787980960. Its totient is φ = 64654656.

The previous prime is 242455307. The next prime is 242455357. The reversal of 242455320 is 23554242.

It is a happy number.

242455320 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 336384 + ... + 337103.

It is an arithmetic number, because the mean of its divisors is an integer number (16416270).

Almost surely, 2^242455320 is an apocalyptic number.

242455320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

242455320 is an abundant number, since it is smaller than the sum of its proper divisors (545525640).

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

242455320 is a wasteful number, since it uses less digits than its factorization.

242455320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 673504 (or 673497 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 27.

The square root of 242455320 is about 15570.9768479694. The cubic root of 242455320 is about 623.5585511829.

The spelling of 242455320 in words is "two hundred forty-two million, four hundred fifty-five thousand, three hundred twenty".