9812205408 has 24 divisors (see below), whose sum is σ = 25757039448. Its totient is φ = 3270735104.

The previous prime is 9812205331. The next prime is 9812205427. The reversal of 9812205408 is 8045022189.

It is a tau number, because it is divible by the number of its divisors (24).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 51105141 + ... + 51105332.

It is an arithmetic number, because the mean of its divisors is an integer number (1073209977).

Almost surely, 2^9812205408 is an apocalyptic number.

It is an amenable number.

9812205408 is an abundant number, since it is smaller than the sum of its proper divisors (15944834040).

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

9812205408 is a wasteful number, since it uses less digits than its factorization.

9812205408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102210486 (or 102210478 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 39.

The square root of 9812205408 is about 99056.5768033602. The cubic root of 9812205408 is about 2140.8630030211.

The spelling of 9812205408 in words is "nine billion, eight hundred twelve million, two hundred five thousand, four hundred eight".