242542871377 has 16 divisors (see below), whose sum is σ = 257989680000. Its totient is φ = 227367713664.

The previous prime is 242542871357. The next prime is 242542871387. The reversal of 242542871377 is 773178245242.

It is a cyclic number.

It is not a de Polignac number, because 242542871377 - 2¹¹ = 242542869329 is a prime.

It is a super-2 number, since 2×242542871377² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (242542871357) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2474499 + ... + 2570647.

It is an arithmetic number, because the mean of its divisors is an integer number (16124355000).

Almost surely, 2^242542871377 is an apocalyptic number.

It is an amenable number.

242542871377 is a deficient number, since it is larger than the sum of its proper divisors (15446808623).

242542871377 is a wasteful number, since it uses less digits than its factorization.

242542871377 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97560.

The product of its digits is 5268480, while the sum is 52.

The spelling of 242542871377 in words is "two hundred forty-two billion, five hundred forty-two million, eight hundred seventy-one thousand, three hundred seventy-seven".