298940138112 has 256 divisors, whose sum is σ = 991408665600. Its totient is φ = 77536051200.

The previous prime is 298940138089. The next prime is 298940138129. The reversal of 298940138112 is 211831049892.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 21843912 + ... + 21857592.

It is an arithmetic number, because the mean of its divisors is an integer number (3872690100).

Almost surely, 2^298940138112 is an apocalyptic number.

298940138112 is a gapful number since it is divisible by the number (22) 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 298940138112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (495704332800).

298940138112 is an abundant number, since it is smaller than the sum of its proper divisors (692468527488).

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

298940138112 is a wasteful number, since it uses less digits than its factorization.

298940138112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14455 (or 14443 counting only the distinct ones).

The product of its (nonzero) digits is 248832, while the sum is 48.

The spelling of 298940138112 in words is "two hundred ninety-eight billion, nine hundred forty million, one hundred thirty-eight thousand, one hundred twelve".