299879955648 has 448 divisors, whose sum is σ = 1092403200000. Its totient is φ = 78552281088.

The previous prime is 299879955601. The next prime is 299879955707. The reversal of 299879955648 is 846559978992.

It is a tau number, because it is divible by the number of its divisors (448).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 23423553 + ... + 23436351.

It is an arithmetic number, because the mean of its divisors is an integer number (2438400000).

Almost surely, 2^299879955648 is an apocalyptic number.

299879955648 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 299879955648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (546201600000).

299879955648 is an abundant number, since it is smaller than the sum of its proper divisors (792523244352).

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

299879955648 is a wasteful number, since it uses less digits than its factorization.

299879955648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12989 (or 12973 counting only the distinct ones).

The product of its digits is 3527193600, while the sum is 81.

The spelling of 299879955648 in words is "two hundred ninety-nine billion, eight hundred seventy-nine million, nine hundred fifty-five thousand, six hundred forty-eight".