242442400420 has 24 divisors (see below), whose sum is σ = 555413499648. Its totient is φ = 88160872800.

The previous prime is 242442400397. The next prime is 242442400463. The reversal of 242442400420 is 24004244242.

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, 551005236 + ... + 551005675.

It is an arithmetic number, because the mean of its divisors is an integer number (23142229152).

Almost surely, 2^242442400420 is an apocalyptic number.

242442400420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

242442400420 is an abundant number, since it is smaller than the sum of its proper divisors (312971099228).

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

242442400420 is a wasteful number, since it uses less digits than its factorization.

242442400420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1102010931 (or 1102010929 counting only the distinct ones).

The product of its (nonzero) digits is 16384, while the sum is 28.

Adding to 242442400420 its reverse (24004244242), we get a palindrome (266446644662).

The spelling of 242442400420 in words is "two hundred forty-two billion, four hundred forty-two million, four hundred thousand, four hundred twenty".