242540440429 has 8 divisors (see below), whose sum is σ = 278339238848. Its totient is φ = 207029183040.

The previous prime is 242540440409. The next prime is 242540440433. The reversal of 242540440429 is 924044045242.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 242540440429 - 2³⁵ = 208180702061 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 242540440391 and 242540440400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242540440409) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 71883447 + ... + 71886820.

It is an arithmetic number, because the mean of its divisors is an integer number (34792404856).

Almost surely, 2^242540440429 is an apocalyptic number.

It is an amenable number.

242540440429 is a deficient number, since it is larger than the sum of its proper divisors (35798798419).

242540440429 is a wasteful number, since it uses less digits than its factorization.

242540440429 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143770515.

The product of its (nonzero) digits is 368640, while the sum is 40.

The spelling of 242540440429 in words is "two hundred forty-two billion, five hundred forty million, four hundred forty thousand, four hundred twenty-nine".