2549085460 has 24 divisors (see below), whose sum is σ = 5354031816. Its totient is φ = 1019452800.

The previous prime is 2549085457. The next prime is 2549085463. The reversal of 2549085460 is 645809452.

It is an interprime number because it is at equal distance from previous prime (2549085457) and next prime (2549085463).

It can be written as a sum of positive squares in 4 ways, for example, as 863654544 + 1685430916 = 29388^2 + 41054^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2549085463) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 199834 + ... + 212206.

It is an arithmetic number, because the mean of its divisors is an integer number (223084659).

Almost surely, 2^2549085460 is an apocalyptic number.

2549085460 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2549085460 is an abundant number, since it is smaller than the sum of its proper divisors (2804946356).

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

2549085460 is a wasteful number, since it uses less digits than its factorization.

2549085460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22683 (or 22681 counting only the distinct ones).

The product of its (nonzero) digits is 345600, while the sum is 43.

The square root of 2549085460 is about 50488.4685844203. The cubic root of 2549085460 is about 1366.0338627672.

The spelling of 2549085460 in words is "two billion, five hundred forty-nine million, eighty-five thousand, four hundred sixty".