8626121140 has 192 divisors, whose sum is σ = 22731383808. Its totient is φ = 2677248000.

The previous prime is 8626121131. The next prime is 8626121173. The reversal of 8626121140 is 411216268.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 30697800 + ... + 30698080.

It is an arithmetic number, because the mean of its divisors is an integer number (118392624).

Almost surely, 2^8626121140 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8626121140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11365691904).

8626121140 is an abundant number, since it is smaller than the sum of its proper divisors (14105262668).

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

8626121140 is a wasteful number, since it uses less digits than its factorization.

8626121140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 578 (or 576 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 31.

The square root of 8626121140 is about 92876.9139237518. The cubic root of 8626121140 is about 2050.8718195448.

The spelling of 8626121140 in words is "eight billion, six hundred twenty-six million, one hundred twenty-one thousand, one hundred forty".