2681155008 has 168 divisors, whose sum is σ = 8808415200. Its totient is φ = 763822080.

The previous prime is 2681154979. The next prime is 2681155033. The reversal of 2681155008 is 8005511862.

2681155008 is a `hidden beast` number, since 26 + 81 + 1 + 550 + 0 + 8 = 666.

It is a tau number, because it is divible by the number of its divisors (168).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1809628 + ... + 1811108.

Almost surely, 2^2681155008 is an apocalyptic number.

2681155008 is a gapful number since it is divisible by the number (28) 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 2681155008, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4404207600).

2681155008 is an abundant number, since it is smaller than the sum of its proper divisors (6127260192).

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

2681155008 is a wasteful number, since it uses less digits than its factorization.

2681155008 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1955 (or 1942 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 36.

The square root of 2681155008 is about 51779.8706835002. The cubic root of 2681155008 is about 1389.2294278054.

The spelling of 2681155008 in words is "two billion, six hundred eighty-one million, one hundred fifty-five thousand, eight".