242251612140752 has 40 divisors (see below), whose sum is σ = 491040372154752. Its totient is φ = 115657230483200.

The previous prime is 242251612140749. The next prime is 242251612140761. The reversal of 242251612140752 is 257041216152242.

It is a happy number.

It is a super-5 number, since 5×242251612140752⁵ (a number of 73 digits) contains 55555 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3928543574 + ... + 3928605237.

Almost surely, 2^{242251612140752} is an apocalyptic number.

It is an amenable number.

242251612140752 is an abundant number, since it is smaller than the sum of its proper divisors (248788760014000).

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

242251612140752 is a wasteful number, since it uses less digits than its factorization.

242251612140752 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7857148907 (or 7857148901 counting only the distinct ones).

The product of its (nonzero) digits is 537600, while the sum is 44.

Adding to 242251612140752 its reverse (257041216152242), we get a palindrome (499292828292994).

The spelling of 242251612140752 in words is "two hundred forty-two trillion, two hundred fifty-one billion, six hundred twelve million, one hundred forty thousand, seven hundred fifty-two".