242402022440 has 32 divisors (see below), whose sum is σ = 547432101000. Its totient is φ = 96600355584.

The previous prime is 242402022437. The next prime is 242402022521. The reversal of 242402022440 is 44220204242.

It can be written as a sum of positive squares in 4 ways, for example, as 153894582436 + 88507440004 = 392294^2 + 297502^2 .

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, 11253275 + ... + 11274794.

Almost surely, 2^242402022440 is an apocalyptic number.

242402022440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

242402022440 is an abundant number, since it is smaller than the sum of its proper divisors (305030078560).

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

242402022440 is a wasteful number, since it uses less digits than its factorization.

242402022440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22528349 (or 22528345 counting only the distinct ones).

The product of its (nonzero) digits is 8192, while the sum is 26.

Adding to 242402022440 its reverse (44220204242), we get a palindrome (286622226682).

The spelling of 242402022440 in words is "two hundred forty-two billion, four hundred two million, twenty-two thousand, four hundred forty".