2505642012 has 36 divisors (see below), whose sum is σ = 6568290456. Its totient is φ = 835213680.

The previous prime is 2505641989. The next prime is 2505642059. The reversal of 2505642012 is 2102465052.

2505642012 is a `hidden beast` number, since 2 + 5 + 0 + 5 + 642 + 0 + 12 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1287939 + ... + 1289882.

Almost surely, 2^2505642012 is an apocalyptic number.

It is an amenable number.

2505642012 is an abundant number, since it is smaller than the sum of its proper divisors (4062648444).

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

2505642012 is a wasteful number, since it uses less digits than its factorization.

2505642012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2577840 (or 2577826 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

The square root of 2505642012 is about 50056.3883235697. The cubic root of 2505642012 is about 1358.2290263220.

The spelling of 2505642012 in words is "two billion, five hundred five million, six hundred forty-two thousand, twelve".