999908413224 has 128 divisors (see below), whose sum is σ = 3050730086400. Its totient is φ = 266938801920.

The previous prime is 999908413223. The next prime is 999908413237. The reversal of 999908413224 is 422314809999.

It is a super-2 number, since 2×999908413224² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (999908413223) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3159222 + ... + 3461285.

It is an arithmetic number, because the mean of its divisors is an integer number (23833828800).

Almost surely, 2^999908413224 is an apocalyptic number.

It is an amenable number.

999908413224 is an abundant number, since it is smaller than the sum of its proper divisors (2050821673176).

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

999908413224 is a wasteful number, since it uses less digits than its factorization.

999908413224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6620583 (or 6620579 counting only the distinct ones).

The product of its (nonzero) digits is 10077696, while the sum is 60.

The spelling of 999908413224 in words is "nine hundred ninety-nine billion, nine hundred eight million, four hundred thirteen thousand, two hundred twenty-four".