2549276136 has 96 divisors (see below), whose sum is σ = 7570648800. Its totient is φ = 768539520.

The previous prime is 2549276131. The next prime is 2549276161. The reversal of 2549276136 is 6316729452.

2549276136 is a `hidden beast` number, since 2 + 5 + 4 + 9 + 27 + 613 + 6 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 2549276091 and 2549276100.

It is not an unprimeable number, because it can be changed into a prime (2549276131) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 147855 + ... + 164193.

It is an arithmetic number, because the mean of its divisors is an integer number (78860925).

Almost surely, 2^2549276136 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 2549276136, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3785324400).

2549276136 is an abundant number, since it is smaller than the sum of its proper divisors (5021372664).

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

2549276136 is a wasteful number, since it uses less digits than its factorization.

2549276136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16559 (or 16552 counting only the distinct ones).

The product of its digits is 544320, while the sum is 45.

The square root of 2549276136 is about 50490.3568614840. The cubic root of 2549276136 is about 1366.0679224829.

The spelling of 2549276136 in words is "two billion, five hundred forty-nine million, two hundred seventy-six thousand, one hundred thirty-six".