242777526530638 has 16 divisors (see below), whose sum is σ = 401367907032624. Its totient is φ = 109215757013760.

The previous prime is 242777526530603. The next prime is 242777526530639. The reversal of 242777526530638 is 836035625777242.

It is a happy number.

242777526530638 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242777526530639) 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, 56883204645 + ... + 56883208912.

It is an arithmetic number, because the mean of its divisors is an integer number (25085494189539).

Almost surely, 2^{242777526530638} is an apocalyptic number.

242777526530638 is a deficient number, since it is larger than the sum of its proper divisors (158590380501986).

242777526530638 is a wasteful number, since it uses less digits than its factorization.

242777526530638 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113766413667.

The product of its (nonzero) digits is 711244800, while the sum is 67.

The spelling of 242777526530638 in words is "two hundred forty-two trillion, seven hundred seventy-seven billion, five hundred twenty-six million, five hundred thirty thousand, six hundred thirty-eight".