299352049920 has 1728 divisors, whose sum is σ = 1388512419840. Its totient is φ = 59918745600.

The previous prime is 299352049907. The next prime is 299352049943. The reversal of 299352049920 is 29940253992.

It is a happy number.

299352049920 is a `hidden beast` number, since 2 + 9 + 9 + 3 + 520 + 4 + 99 + 20 = 666.

It is a tau number, because it is divible by the number of its divisors (1728).

It is a super-2 number, since 2×299352049920² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 694552105 + ... + 694552535.

It is an arithmetic number, because the mean of its divisors is an integer number (803537280).

Almost surely, 2^299352049920 is an apocalyptic number.

299352049920 is a gapful number since it is divisible by the number (20) 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 299352049920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (694256209920).

299352049920 is an abundant number, since it is smaller than the sum of its proper divisors (1089160369920).

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

299352049920 is a wasteful number, since it uses less digits than its factorization.

299352049920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 514 (or 488 counting only the distinct ones).

The product of its (nonzero) digits is 3149280, while the sum is 54.

The spelling of 299352049920 in words is "two hundred ninety-nine billion, three hundred fifty-two million, forty-nine thousand, nine hundred twenty".