2134886544 has 200 divisors, whose sum is σ = 7116697280. Its totient is φ = 605221632.

The previous prime is 2134886543. The next prime is 2134886549. The reversal of 2134886544 is 4456884312.

2134886544 is a `hidden beast` number, since 21 + 3 + 4 + 8 + 86 + 544 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 2134886544.

It is not an unprimeable number, because it can be changed into a prime (2134886543) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 1260162 + ... + 1261854.

Almost surely, 2^2134886544 is an apocalyptic number.

2134886544 is a gapful number since it is divisible by the number (24) 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 2134886544, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3558348640).

2134886544 is an abundant number, since it is smaller than the sum of its proper divisors (4981810736).

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

2134886544 is a wasteful number, since it uses less digits than its factorization.

2134886544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1859 (or 1844 counting only the distinct ones).

The product of its digits is 737280, while the sum is 45.

The square root of 2134886544 is about 46204.8324745367. The cubic root of 2134886544 is about 1287.6315221032.

The spelling of 2134886544 in words is "two billion, one hundred thirty-four million, eight hundred eighty-six thousand, five hundred forty-four".