2528118945 has 120 divisors (see below), whose sum is σ = 5200227648. Its totient is φ = 1171938240.

The previous prime is 2528118941. The next prime is 2528118947. The reversal of 2528118945 is 5498118252.

2528118945 is a `hidden beast` number, since 2 + 528 + 1 + 1 + 89 + 45 = 666.

It is not a de Polignac number, because 2528118945 - 2² = 2528118941 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 2528118945.

It is not an unprimeable number, because it can be changed into a prime (2528118941) 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 119 ways as a sum of consecutive naturals, for example, 1125994 + ... + 1128236.

Almost surely, 2^2528118945 is an apocalyptic number.

It is an amenable number.

2528118945 is an abundant number, since it is smaller than the sum of its proper divisors (2672108703).

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

2528118945 is a wasteful number, since it uses less digits than its factorization.

2528118945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2305 (or 2285 counting only the distinct ones).

The product of its digits is 230400, while the sum is 45.

The square root of 2528118945 is about 50280.4031905075. The cubic root of 2528118945 is about 1362.2782863991.

The spelling of 2528118945 in words is "two billion, five hundred twenty-eight million, one hundred eighteen thousand, nine hundred forty-five".