27603090252 has 90 divisors (see below), whose sum is σ = 73363700228. Its totient is φ = 9074988576.

The previous prime is 27603090217. The next prime is 27603090269. The reversal of 27603090252 is 25209030672.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

27603090252 is a `hidden beast` number, since 27 + 603 + 0 + 9 + 0 + 25 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 378124488 + ... + 378124560.

Almost surely, 2^27603090252 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 27603090252, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36681850114).

27603090252 is an abundant number, since it is smaller than the sum of its proper divisors (45760609976).

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

27603090252 is an frugal number, since it uses more digits than its factorization.

27603090252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 311 (or 78 counting only the distinct ones).

The product of its (nonzero) digits is 45360, while the sum is 36.

The spelling of 27603090252 in words is "twenty-seven billion, six hundred three million, ninety thousand, two hundred fifty-two".