242442444440 has 64 divisors (see below), whose sum is σ = 623470003200. Its totient is φ = 83116914048.

The previous prime is 242442444397. The next prime is 242442444443. The reversal of 242442444440 is 44444244242.

It is a junction number, because it is equal to n+sod(n) for n = 242442444394 and 242442444403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242442444443) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5274437 + ... + 5320203.

It is an arithmetic number, because the mean of its divisors is an integer number (9741718800).

Almost surely, 2^242442444440 is an apocalyptic number.

242442444440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

242442444440 is an abundant number, since it is smaller than the sum of its proper divisors (381027558760).

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

242442444440 is a wasteful number, since it uses less digits than its factorization.

242442444440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64704 (or 64700 counting only the distinct ones).

The product of its (nonzero) digits is 524288, while the sum is 38.

Adding to 242442444440 its reverse (44444244242), we get a palindrome (286886688682).

The spelling of 242442444440 in words is "two hundred forty-two billion, four hundred forty-two million, four hundred forty-four thousand, four hundred forty".