9090856380 has 24 divisors (see below), whose sum is σ = 25454398032. Its totient is φ = 2424228352.

The previous prime is 9090856373. The next prime is 9090856381. The reversal of 9090856380 is 836580909.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9090856381) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 75757077 + ... + 75757196.

It is an arithmetic number, because the mean of its divisors is an integer number (1060599918).

Almost surely, 2^9090856380 is an apocalyptic number.

It is an amenable number.

9090856380 is an abundant number, since it is smaller than the sum of its proper divisors (16363541652).

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

9090856380 is a wasteful number, since it uses less digits than its factorization.

9090856380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 151514285 (or 151514283 counting only the distinct ones).

The product of its (nonzero) digits is 466560, while the sum is 48.

The square root of 9090856380 is about 95345.9825058193. The cubic root of 9090856380 is about 2087.0599886772.

The spelling of 9090856380 in words is "nine billion, ninety million, eight hundred fifty-six thousand, three hundred eighty".