242278771460 has 24 divisors (see below), whose sum is σ = 555038640576. Its totient is φ = 88101371360.

The previous prime is 242278771433. The next prime is 242278771519. The reversal of 242278771460 is 64177872242.

It is a junction number, because it is equal to n+sod(n) for n = 242278771399 and 242278771408.

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, 550633352 + ... + 550633791.

It is an arithmetic number, because the mean of its divisors is an integer number (23126610024).

Almost surely, 2^242278771460 is an apocalyptic number.

242278771460 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

242278771460 is an abundant number, since it is smaller than the sum of its proper divisors (312759869116).

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

242278771460 is a wasteful number, since it uses less digits than its factorization.

242278771460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1101267163 (or 1101267161 counting only the distinct ones).

The product of its (nonzero) digits is 2107392, while the sum is 50.

The spelling of 242278771460 in words is "two hundred forty-two billion, two hundred seventy-eight million, seven hundred seventy-one thousand, four hundred sixty".