2561550324 has 24 divisors (see below), whose sum is σ = 5981912160. Its totient is φ = 853141344.

The previous prime is 2561550301. The next prime is 2561550353. The reversal of 2561550324 is 4230551652.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 73434 + ... + 102545.

It is an arithmetic number, because the mean of its divisors is an integer number (249246340).

Almost surely, 2^2561550324 is an apocalyptic number.

It is an amenable number.

2561550324 is an abundant number, since it is smaller than the sum of its proper divisors (3420361836).

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

2561550324 is a wasteful number, since it uses less digits than its factorization.

2561550324 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 177199 (or 177197 counting only the distinct ones).

The product of its (nonzero) digits is 36000, while the sum is 33.

The square root of 2561550324 is about 50611.7607281154. The cubic root of 2561550324 is about 1368.2568491936.

The spelling of 2561550324 in words is "two billion, five hundred sixty-one million, five hundred fifty thousand, three hundred twenty-four".