242077540458 has 96 divisors (see below), whose sum is σ = 569658562560. Its totient is φ = 68288650560.

The previous prime is 242077540391. The next prime is 242077540469. The reversal of 242077540458 is 854045770242.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 394585 + ... + 799907.

It is an arithmetic number, because the mean of its divisors is an integer number (5933943360).

Almost surely, 2^242077540458 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 242077540458, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (284829281280).

242077540458 is an abundant number, since it is smaller than the sum of its proper divisors (327581022102).

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

242077540458 is a wasteful number, since it uses less digits than its factorization.

242077540458 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 405404 (or 405391 counting only the distinct ones).

The product of its (nonzero) digits is 2508800, while the sum is 48.

The spelling of 242077540458 in words is "two hundred forty-two billion, seventy-seven million, five hundred forty thousand, four hundred fifty-eight".