299055778242 has 24 divisors (see below), whose sum is σ = 647659261584. Its totient is φ = 92017162224.

The previous prime is 299055778223. The next prime is 299055778261. The reversal of 299055778242 is 242877550992.

It is an interprime number because it is at equal distance from previous prime (299055778223) and next prime (299055778261).

It is a super-2 number, since 2×299055778242² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 147462388 + ... + 147464415.

It is an arithmetic number, because the mean of its divisors is an integer number (26985802566).

Almost surely, 2^299055778242 is an apocalyptic number.

299055778242 is an abundant number, since it is smaller than the sum of its proper divisors (348603483342).

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

299055778242 is a wasteful number, since it uses less digits than its factorization.

299055778242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 294926834 (or 294926821 counting only the distinct ones).

The product of its (nonzero) digits is 25401600, while the sum is 60.

The spelling of 299055778242 in words is "two hundred ninety-nine billion, fifty-five million, seven hundred seventy-eight thousand, two hundred forty-two".