9090208372 has 12 divisors (see below), whose sum is σ = 18180416800. Its totient is φ = 3895803576.

The previous prime is 9090208367. The next prime is 9090208381. The reversal of 9090208372 is 2738020909.

9090208372 is an admirable number.

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, 162325122 + ... + 162325177.

Almost surely, 2^9090208372 is an apocalyptic number.

It is an amenable number.

9090208372 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

9090208372 is a wasteful number, since it uses less digits than its factorization.

9090208372 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 324650310 (or 324650308 counting only the distinct ones).

The product of its (nonzero) digits is 54432, while the sum is 40.

The square root of 9090208372 is about 95342.5842527881. The cubic root of 9090208372 is about 2087.0103980539.

The spelling of 9090208372 in words is "nine billion, ninety million, two hundred eight thousand, three hundred seventy-two".