2549577216 has 40 divisors (see below), whose sum is σ = 6792237144. Its totient is φ = 849858560.

The previous prime is 2549577211. The next prime is 2549577223. The reversal of 2549577216 is 6127759452.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2549577211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 828405 + ... + 831476.

Almost surely, 2^2549577216 is an apocalyptic number.

It is an amenable number.

2549577216 is an abundant number, since it is smaller than the sum of its proper divisors (4242659928).

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

2549577216 is an equidigital number, since it uses as much as digits as its factorization.

2549577216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1659902 (or 1659886 counting only the distinct ones).

The product of its digits is 1058400, while the sum is 48.

The square root of 2549577216 is about 50493.3383328930. The cubic root of 2549577216 is about 1366.1216997799.

The spelling of 2549577216 in words is "two billion, five hundred forty-nine million, five hundred seventy-seven thousand, two hundred sixteen".