242777453412398 has 16 divisors (see below), whose sum is σ = 364410478084704. Its totient is φ = 121307302127520.

The previous prime is 242777453412397. The next prime is 242777453412407. The reversal of 242777453412398 is 893214354777242.

It is a super-2 number, since 2×242777453412398² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242777453412391) 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, 58412111 + ... + 62430197.

It is an arithmetic number, because the mean of its divisors is an integer number (22775654880294).

Almost surely, 2^{242777453412398} is an apocalyptic number.

242777453412398 is a deficient number, since it is larger than the sum of its proper divisors (121633024672306).

242777453412398 is a wasteful number, since it uses less digits than its factorization.

242777453412398 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4038347.

The product of its digits is 568995840, while the sum is 68.

The spelling of 242777453412398 in words is "two hundred forty-two trillion, seven hundred seventy-seven billion, four hundred fifty-three million, four hundred twelve thousand, three hundred ninety-eight".