9049889408 has 64 divisors (see below), whose sum is σ = 21315225600. Its totient is φ = 3744771072.

The previous prime is 9049889393. The next prime is 9049889483. The reversal of 9049889408 is 8049889409.

It is a tau number, because it is divible by the number of its divisors (64).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 148160 + ... + 200127.

It is an arithmetic number, because the mean of its divisors is an integer number (333050400).

Almost surely, 2^9049889408 is an apocalyptic number.

It is an amenable number.

9049889408 is an abundant number, since it is smaller than the sum of its proper divisors (12265336192).

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

9049889408 is a wasteful number, since it uses less digits than its factorization.

9049889408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 348337 (or 348325 counting only the distinct ones).

The product of its (nonzero) digits is 5971968, while the sum is 59.

The square root of 9049889408 is about 95130.9066917792. The cubic root of 9049889408 is about 2083.9202300728.

Subtracting from 9049889408 its reverse (8049889409), we obtain a palindrome (999999999).

The spelling of 9049889408 in words is "nine billion, forty-nine million, eight hundred eighty-nine thousand, four hundred eight".