2552816140 has 48 divisors (see below), whose sum is σ = 6136445952. Its totient is φ = 873867456.

The previous prime is 2552816137. The next prime is 2552816141. The reversal of 2552816140 is 416182552.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 2552816096 and 2552816105.

It is not an unprimeable number, because it can be changed into a prime (2552816141) 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 15 ways as a sum of consecutive naturals, for example, 76489 + ... + 104671.

It is an arithmetic number, because the mean of its divisors is an integer number (127842624).

Almost surely, 2^2552816140 is an apocalyptic number.

2552816140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2552816140 is an abundant number, since it is smaller than the sum of its proper divisors (3583629812).

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

2552816140 is a wasteful number, since it uses less digits than its factorization.

2552816140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28846 (or 28844 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 34.

The square root of 2552816140 is about 50525.4009385378. The cubic root of 2552816140 is about 1366.6999514664.

Adding to 2552816140 its reverse (416182552), we get a palindrome (2968998692).

The spelling of 2552816140 in words is "two billion, five hundred fifty-two million, eight hundred sixteen thousand, one hundred forty".