242114040640 has 56 divisors (see below), whose sum is σ = 592116089832. Its totient is φ = 94228162560.

The previous prime is 242114040629. The next prime is 242114040653. The reversal of 242114040640 is 46040411242.

It can be written as a sum of positive squares in 4 ways, for example, as 39556436544 + 202557604096 = 198888^2 + 450064^2 .

It is a junction number, because it is equal to n+sod(n) for n = 242114040599 and 242114040608.

It is a congruent number.

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, 10212571 + ... + 10236250.

Almost surely, 2^242114040640 is an apocalyptic number.

242114040640 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

242114040640 is an abundant number, since it is smaller than the sum of its proper divisors (350002049192).

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

242114040640 is a wasteful number, since it uses less digits than its factorization.

242114040640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20448875 (or 20448865 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 28.

Adding to 242114040640 its reverse (46040411242), we get a palindrome (288154451882).

The spelling of 242114040640 in words is "two hundred forty-two billion, one hundred fourteen million, forty thousand, six hundred forty".