2505618948 has 24 divisors (see below), whose sum is σ = 6681650752. Its totient is φ = 715891104.

The previous prime is 2505618943. The next prime is 2505618949. The reversal of 2505618948 is 8498165052.

It is a junction number, because it is equal to n+sod(n) for n = 2505618897 and 2505618906.

It is not an unprimeable number, because it can be changed into a prime (2505618943) 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 7 ways as a sum of consecutive naturals, for example, 14914315 + ... + 14914482.

Almost surely, 2^2505618948 is an apocalyptic number.

2505618948 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

2505618948 is an abundant number, since it is smaller than the sum of its proper divisors (4176031804).

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

2505618948 is a wasteful number, since it uses less digits than its factorization.

2505618948 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29828811 (or 29828809 counting only the distinct ones).

The product of its (nonzero) digits is 691200, while the sum is 48.

The square root of 2505618948 is about 50056.1579428545. The cubic root of 2505618948 is about 1358.2248588884.

The spelling of 2505618948 in words is "two billion, five hundred five million, six hundred eighteen thousand, nine hundred forty-eight".