8255181408 has 192 divisors, whose sum is σ = 23542202880. Its totient is φ = 2524262400.

The previous prime is 8255181401. The next prime is 8255181433. The reversal of 8255181408 is 8041815528.

It is a self number, because there is not a number n which added to its sum of digits gives 8255181408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8255181401) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12488598 + ... + 12489258.

It is an arithmetic number, because the mean of its divisors is an integer number (122615640).

Almost surely, 2^8255181408 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 8255181408, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11771101440).

8255181408 is an abundant number, since it is smaller than the sum of its proper divisors (15287021472).

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

8255181408 is a wasteful number, since it uses less digits than its factorization.

8255181408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 901 (or 893 counting only the distinct ones).

The product of its (nonzero) digits is 102400, while the sum is 42.

The square root of 8255181408 is about 90858.0288582137. The cubic root of 8255181408 is about 2021.0429382153.

The spelling of 8255181408 in words is "eight billion, two hundred fifty-five million, one hundred eighty-one thousand, four hundred eight".