242454353505 has 192 divisors, whose sum is σ = 496041615360. Its totient is φ = 98941160448.

The previous prime is 242454353489. The next prime is 242454353507. The reversal of 242454353505 is 505353454242.

It is not a de Polignac number, because 242454353505 - 2⁴ = 242454353489 is a prime.

It is a super-2 number, since 2×242454353505² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (242454353507) by changing a digit.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 117524104 + ... + 117526166.

It is an arithmetic number, because the mean of its divisors is an integer number (2583550080).

Almost surely, 2^242454353505 is an apocalyptic number.

It is an amenable number.

242454353505 is an abundant number, since it is smaller than the sum of its proper divisors (253587261855).

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

242454353505 is a wasteful number, since it uses less digits than its factorization.

242454353505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2320 (or 2307 counting only the distinct ones).

The product of its (nonzero) digits is 1440000, while the sum is 42.

The spelling of 242454353505 in words is "two hundred forty-two billion, four hundred fifty-four million, three hundred fifty-three thousand, five hundred five".