9019481408 has 56 divisors (see below), whose sum is σ = 20464101312. Its totient is φ = 3863752704.

The previous prime is 9019481377. The next prime is 9019481413. The reversal of 9019481408 is 8041849109.

It is a tau number, because it is divible by the number of its divisors (56).

It is a congruent number.

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, 1747760 + ... + 1752912.

Almost surely, 2^9019481408 is an apocalyptic number.

It is an amenable number.

9019481408 is an abundant number, since it is smaller than the sum of its proper divisors (11444619904).

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

9019481408 is a wasteful number, since it uses less digits than its factorization.

9019481408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9079 (or 9069 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 44.

The square root of 9019481408 is about 94970.9503374585. The cubic root of 9019481408 is about 2081.5835918690.

The spelling of 9019481408 in words is "nine billion, nineteen million, four hundred eighty-one thousand, four hundred eight".