2549842828 has 24 divisors (see below), whose sum is σ = 4832336880. Its totient is φ = 1170271680.

The previous prime is 2549842817. The next prime is 2549842829. The reversal of 2549842828 is 8282489452.

It is a Harshad number since it is a multiple of its sum of digits (52).

It is not an unprimeable number, because it can be changed into a prime (2549842829) 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, 127663 + ... + 146278.

It is an arithmetic number, because the mean of its divisors is an integer number (201347370).

Almost surely, 2^2549842828 is an apocalyptic number.

It is an amenable number.

2549842828 is a deficient number, since it is larger than the sum of its proper divisors (2282494052).

2549842828 is a wasteful number, since it uses less digits than its factorization.

2549842828 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 274137 (or 274135 counting only the distinct ones).

The product of its digits is 2949120, while the sum is 52.

The square root of 2549842828 is about 50495.9684331334. The cubic root of 2549842828 is about 1366.1691384578.

The spelling of 2549842828 in words is "two billion, five hundred forty-nine million, eight hundred forty-two thousand, eight hundred twenty-eight".