2552990724 has 60 divisors (see below), whose sum is σ = 6742909404. Its totient is φ = 842213376.

The previous prime is 2552990719. The next prime is 2552990729. The reversal of 2552990724 is 4270992552.

2552990724 is a `hidden beast` number, since 2 + 552 + 9 + 90 + 7 + 2 + 4 = 666.

It is an interprime number because it is at equal distance from previous prime (2552990719) and next prime (2552990729).

It can be written as a sum of positive squares in 2 ways, for example, as 1327290624 + 1225700100 = 36432^2 + 35010^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 2552990724.

It is not an unprimeable number, because it can be changed into a prime (2552990729) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 9189 + ... + 72044.

Almost surely, 2^2552990724 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 2552990724, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3371454702).

2552990724 is an abundant number, since it is smaller than the sum of its proper divisors (4189918680).

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

2552990724 is a wasteful number, since it uses less digits than its factorization.

2552990724 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81346 (or 81335 counting only the distinct ones).

The product of its (nonzero) digits is 453600, while the sum is 45.

The square root of 2552990724 is about 50527.1285944491. The cubic root of 2552990724 is about 1366.7311064070.

The spelling of 2552990724 in words is "two billion, five hundred fifty-two million, nine hundred ninety thousand, seven hundred twenty-four".