242440202040 has 64 divisors (see below), whose sum is σ = 734521836960. Its totient is φ = 64010611200.

The previous prime is 242440202029. The next prime is 242440202051. The reversal of 242440202040 is 40202044242.

It is an interprime number because it is at equal distance from previous prime (242440202029) and next prime (242440202051).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 242440202040.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9989539 + ... + 10013778.

Almost surely, 2^242440202040 is an apocalyptic number.

242440202040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

242440202040 is an abundant number, since it is smaller than the sum of its proper divisors (492081634920).

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

242440202040 is a wasteful number, since it uses less digits than its factorization.

242440202040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20003432 (or 20003428 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 24.

Adding to 242440202040 its reverse (40202044242), we get a palindrome (282642246282).

The spelling of 242440202040 in words is "two hundred forty-two billion, four hundred forty million, two hundred two thousand, forty".