299499742080 has 1920 divisors, whose sum is σ = 1418243904000. Its totient is φ = 58794024960.

The previous prime is 299499742021. The next prime is 299499742097. The reversal of 299499742080 is 80247994992.

299499742080 is a `hidden beast` number, since 2 + 9 + 9 + 49 + 97 + 420 + 80 = 666.

It is a tau number, because it is divible by the number of its divisors (1920).

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a junction number, because it is equal to n+sod(n) for n = 299499741999 and 299499742017.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 239 ways as a sum of consecutive naturals, for example, 834260941 + ... + 834261299.

It is an arithmetic number, because the mean of its divisors is an integer number (738668700).

Almost surely, 2^299499742080 is an apocalyptic number.

299499742080 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 299499742080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (709121952000).

299499742080 is an abundant number, since it is smaller than the sum of its proper divisors (1118744161920).

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

299499742080 is a wasteful number, since it uses less digits than its factorization.

299499742080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 438 (or 406 counting only the distinct ones).

The product of its (nonzero) digits is 23514624, while the sum is 63.

The spelling of 299499742080 in words is "two hundred ninety-nine billion, four hundred ninety-nine million, seven hundred forty-two thousand, eighty".