242611859868 has 192 divisors, whose sum is σ = 684493996032. Its totient is φ = 65413474560.

The previous prime is 242611859849. The next prime is 242611859873. The reversal of 242611859868 is 868958116242.

It is a super-2 number, since 2×242611859868² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 86552955 + ... + 86555757.

It is an arithmetic number, because the mean of its divisors is an integer number (3565072896).

Almost surely, 2^242611859868 is an apocalyptic number.

242611859868 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 242611859868, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (342246998016).

242611859868 is an abundant number, since it is smaller than the sum of its proper divisors (441882136164).

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

242611859868 is a wasteful number, since it uses less digits than its factorization.

242611859868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3664 (or 3662 counting only the distinct ones).

The product of its digits is 13271040, while the sum is 60.

The spelling of 242611859868 in words is "two hundred forty-two billion, six hundred eleven million, eight hundred fifty-nine thousand, eight hundred sixty-eight".