242448380 has 12 divisors (see below), whose sum is σ = 509141640. Its totient is φ = 96979344.

The previous prime is 242448377. The next prime is 242448389. The reversal of 242448380 is 83844242.

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 242448380.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242448389) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6061190 + ... + 6061229.

It is an arithmetic number, because the mean of its divisors is an integer number (42428470).

Almost surely, 2^242448380 is an apocalyptic number.

242448380 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

242448380 is an abundant number, since it is smaller than the sum of its proper divisors (266693260).

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

242448380 is a wasteful number, since it uses less digits than its factorization.

242448380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12122428 (or 12122426 counting only the distinct ones).

The product of its (nonzero) digits is 49152, while the sum is 35.

The square root of 242448380 is about 15570.7539958732. The cubic root of 242448380 is about 623.5526015814.

The spelling of 242448380 in words is "two hundred forty-two million, four hundred forty-eight thousand, three hundred eighty".