242000402543056 has 10 divisors (see below), whose sum is σ = 468875779927202. Its totient is φ = 121000201271520.

The previous prime is 242000402543023. The next prime is 242000402543057. The reversal of 242000402543056 is 650345204000242.

It can be written as a sum of positive squares in only one way, i.e., 156781951987600 + 85218450555456 = 12521260^2 + 9231384^2 .

It is a super-2 number, since 2×242000402543056² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242000402543057) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7562512579455 + ... + 7562512579486.

Almost surely, 2^{242000402543056} is an apocalyptic number.

It is an amenable number.

242000402543056 is a deficient number, since it is larger than the sum of its proper divisors (226875377384146).

242000402543056 is a wasteful number, since it uses less digits than its factorization.

242000402543056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15125025158949 (or 15125025158943 counting only the distinct ones).

The product of its (nonzero) digits is 230400, while the sum is 37.

Adding to 242000402543056 its reverse (650345204000242), we get a palindrome (892345606543298).

The spelling of 242000402543056 in words is "two hundred forty-two trillion, four hundred two million, five hundred forty-three thousand, fifty-six".