242498827866 has 16 divisors (see below), whose sum is σ = 485894145888. Its totient is φ = 80683527600.

The previous prime is 242498827847. The next prime is 242498827871. The reversal of 242498827866 is 668728894242.

It is a super-2 number, since 2×242498827866² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 242498827797 and 242498827806.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37350240 + ... + 37356731.

It is an arithmetic number, because the mean of its divisors is an integer number (30368384118).

Almost surely, 2^242498827866 is an apocalyptic number.

242498827866 is an abundant number, since it is smaller than the sum of its proper divisors (243395318022).

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

242498827866 is a wasteful number, since it uses less digits than its factorization.

242498827866 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74707517.

The product of its digits is 148635648, while the sum is 66.

The spelling of 242498827866 in words is "two hundred forty-two billion, four hundred ninety-eight million, eight hundred twenty-seven thousand, eight hundred sixty-six".