2552042140 has 48 divisors (see below), whose sum is σ = 5575901184. Its totient is φ = 980078400.

The previous prime is 2552042123. The next prime is 2552042147. The reversal of 2552042140 is 412402552.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2552042147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 62535 + ... + 94945.

It is an arithmetic number, because the mean of its divisors is an integer number (116164608).

Almost surely, 2^2552042140 is an apocalyptic number.

2552042140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2552042140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2787950592).

2552042140 is an abundant number, since it is smaller than the sum of its proper divisors (3023859044).

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

2552042140 is a wasteful number, since it uses less digits than its factorization.

2552042140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32578 (or 32576 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 25.

The square root of 2552042140 is about 50517.7408441827. The cubic root of 2552042140 is about 1366.5618121683.

Adding to 2552042140 its reverse (412402552), we get a palindrome (2964444692).

The spelling of 2552042140 in words is "two billion, five hundred fifty-two million, forty-two thousand, one hundred forty".