2506852840 has 16 divisors (see below), whose sum is σ = 5640418980. Its totient is φ = 1002741120.

The previous prime is 2506852813. The next prime is 2506852841. The reversal of 2506852840 is 482586052.

2506852840 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 2175103044 + 331749796 = 46638^2 + 18214^2 .

It is a super-2 number, since 2×2506852840² = 12568622322832131200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (40), and also a Moran number because the ratio is a prime number: 62671321 = 2506852840 / (2 + 5 + 0 + 6 + 8 + 5 + 2 + 8 + 4 + 0).

It is a junction number, because it is equal to n+sod(n) for n = 2506852793 and 2506852802.

It is not an unprimeable number, because it can be changed into a prime (2506852841) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31335621 + ... + 31335700.

Almost surely, 2^2506852840 is an apocalyptic number.

2506852840 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2506852840 is an abundant number, since it is smaller than the sum of its proper divisors (3133566140).

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

2506852840 is a wasteful number, since it uses less digits than its factorization.

2506852840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62671332 (or 62671328 counting only the distinct ones).

The product of its (nonzero) digits is 153600, while the sum is 40.

The square root of 2506852840 is about 50068.4815028377. The cubic root of 2506852840 is about 1358.4477749021.

The spelling of 2506852840 in words is "two billion, five hundred six million, eight hundred fifty-two thousand, eight hundred forty".