2676109644 has 192 divisors, whose sum is σ = 8051366400. Its totient is φ = 761612544.

The previous prime is 2676109643. The next prime is 2676109673. The reversal of 2676109644 is 4469016762.

2676109644 is a `hidden beast` number, since 26 + 7 + 610 + 9 + 6 + 4 + 4 = 666.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 2676109644.

It is not an unprimeable number, because it can be changed into a prime (2676109643) 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, 1145902 + ... + 1148234.

It is an arithmetic number, because the mean of its divisors is an integer number (41934200).

Almost surely, 2^2676109644 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 2676109644, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4025683200).

2676109644 is an abundant number, since it is smaller than the sum of its proper divisors (5375256756).

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

2676109644 is a wasteful number, since it uses less digits than its factorization.

2676109644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2421 (or 2413 counting only the distinct ones).

The product of its (nonzero) digits is 435456, while the sum is 45.

The square root of 2676109644 is about 51731.1283851416. The cubic root of 2676109644 is about 1388.3574691020.

The spelling of 2676109644 in words is "two billion, six hundred seventy-six million, one hundred nine thousand, six hundred forty-four".