2502638028 has 36 divisors (see below), whose sum is σ = 6901215048. Its totient is φ = 758375040.

The previous prime is 2502638011. The next prime is 2502638041. The reversal of 2502638028 is 8208362052.

2502638028 is a `hidden beast` number, since 250 + 2 + 6 + 380 + 28 = 666.

2502638028 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

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 (36).

It is a junction number, because it is equal to n+sod(n) for n = 2502637983 and 2502638001.

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, 3159501 + ... + 3160292.

It is an arithmetic number, because the mean of its divisors is an integer number (191700418).

Almost surely, 2^2502638028 is an apocalyptic number.

It is an amenable number.

2502638028 is an abundant number, since it is smaller than the sum of its proper divisors (4398577020).

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

2502638028 is a wasteful number, since it uses less digits than its factorization.

2502638028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6319814 (or 6319809 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 36.

The square root of 2502638028 is about 50026.3733244776. The cubic root of 2502638028 is about 1357.6860211284.

The spelling of 2502638028 in words is "two billion, five hundred two million, six hundred thirty-eight thousand, twenty-eight".