242311250640 has 80 divisors (see below), whose sum is σ = 771466658688. Its totient is φ = 62869943808.

The previous prime is 242311250627. The next prime is 242311250647. The reversal of 242311250640 is 46052113242.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 242311250598 and 242311250607.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242311250647) 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, 13634772 + ... + 13652531.

Almost surely, 2^242311250640 is an apocalyptic number.

242311250640 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

242311250640 is an abundant number, since it is smaller than the sum of its proper divisors (529155408048).

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

242311250640 is a wasteful number, since it uses less digits than its factorization.

242311250640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27287356 (or 27287350 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 30.

Adding to 242311250640 its reverse (46052113242), we get a palindrome (288363363882).

The spelling of 242311250640 in words is "two hundred forty-two billion, three hundred eleven million, two hundred fifty thousand, six hundred forty".