299450880 has 240 divisors, whose sum is σ = 1065728664. Its totient is φ = 77660160.

The previous prime is 299450861. The next prime is 299450881. The reversal of 299450880 is 88054992.

It can be written as a sum of positive squares in 4 ways, for example, as 82301184 + 217149696 = 9072^2 + 14736^2 .

It is a tau number, because it is divible by the number of its divisors (240).

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (299450881) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 944482 + ... + 944798.

Almost surely, 2^299450880 is an apocalyptic number.

299450880 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 299450880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (532864332).

299450880 is an abundant number, since it is smaller than the sum of its proper divisors (766277784).

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

299450880 is a wasteful number, since it uses less digits than its factorization.

299450880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 387 (or 368 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 45.

The square root of 299450880 is about 17304.6490863005. The cubic root of 299450880 is about 669.0242572663.

The spelling of 299450880 in words is "two hundred ninety-nine million, four hundred fifty thousand, eight hundred eighty".