8838140472 has 256 divisors, whose sum is σ = 31273344000. Its totient is φ = 2251431936.

The previous prime is 8838140449. The next prime is 8838140477. The reversal of 8838140472 is 2740418388.

8838140472 is a `hidden beast` number, since 8 + 8 + 38 + 140 + 472 = 666.

It is a super-2 number, since 2×8838140472² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8838140477) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 479328 + ... + 497424.

It is an arithmetic number, because the mean of its divisors is an integer number (122161500).

Almost surely, 2^8838140472 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 8838140472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15636672000).

8838140472 is an abundant number, since it is smaller than the sum of its proper divisors (22435203528).

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

8838140472 is a wasteful number, since it uses less digits than its factorization.

8838140472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18155 (or 18145 counting only the distinct ones).

The product of its (nonzero) digits is 344064, while the sum is 45.

The square root of 8838140472 is about 94011.3847999273. The cubic root of 8838140472 is about 2067.5386329277.

The spelling of 8838140472 in words is "eight billion, eight hundred thirty-eight million, one hundred forty thousand, four hundred seventy-two".