299355553992 has 32 divisors (see below), whose sum is σ = 816424238880. Its totient is φ = 90713804160.

The previous prime is 299355553969. The next prime is 299355553993.

299355553992 is nontrivially palindromic in base 10.

It is a super-2 number, since 2×299355553992² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (66).

It is not an unprimeable number, because it can be changed into a prime (299355553993) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 566961013 + ... + 566961540.

It is an arithmetic number, because the mean of its divisors is an integer number (25513257465).

Almost surely, 2^299355553992 is an apocalyptic number.

299355553992 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

299355553992 is an abundant number, since it is smaller than the sum of its proper divisors (517068684888).

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

299355553992 is a wasteful number, since it uses less digits than its factorization.

299355553992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1133922573 (or 1133922569 counting only the distinct ones).

The product of its digits is 147622500, while the sum is 66.

The spelling of 299355553992 in words is "two hundred ninety-nine billion, three hundred fifty-five million, five hundred fifty-three thousand, nine hundred ninety-two".