299229920064 has 84 divisors (see below), whose sum is σ = 889454826624. Its totient is φ = 99743301504.

The previous prime is 299229920057. The next prime is 299229920083. The reversal of 299229920064 is 460029922992.

It is a happy number.

299229920064 is a `hidden beast` number, since 2 + 9 + 92 + 299 + 200 + 64 = 666.

299229920064 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

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

It is a congruent number.

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, 9604752 + ... + 9635855.

It is an arithmetic number, because the mean of its divisors is an integer number (10588747936).

Almost surely, 2^299229920064 is an apocalyptic number.

299229920064 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

299229920064 is an abundant number, since it is smaller than the sum of its proper divisors (590224906560).

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

299229920064 is an equidigital number, since it uses as much as digits as its factorization.

299229920064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19240634 (or 19240612 counting only the distinct ones).

The product of its (nonzero) digits is 2519424, while the sum is 54.

The spelling of 299229920064 in words is "two hundred ninety-nine billion, two hundred twenty-nine million, nine hundred twenty thousand, sixty-four".