8626227840 has 256 divisors, whose sum is σ = 30933417600. Its totient is φ = 2299954176.

The previous prime is 8626227817. The next prime is 8626227859. The reversal of 8626227840 is 487226268.

8626227840 is a `hidden beast` number, since 86 + 262 + 278 + 40 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1396599 + ... + 1402761.

Almost surely, 2^8626227840 is an apocalyptic number.

8626227840 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8626227840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15466708800).

8626227840 is an abundant number, since it is smaller than the sum of its proper divisors (22307189760).

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

8626227840 is an frugal number, since it uses more digits than its factorization.

8626227840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6203 (or 6173 counting only the distinct ones).

The product of its (nonzero) digits is 516096, while the sum is 45.

The square root of 8626227840 is about 92877.4883381328. The cubic root of 8626227840 is about 2050.8802755324.

The spelling of 8626227840 in words is "eight billion, six hundred twenty-six million, two hundred twenty-seven thousand, eight hundred forty".