27203648380 has 24 divisors (see below), whose sum is σ = 58671654048. Its totient is φ = 10587365568.

The previous prime is 27203648377. The next prime is 27203648393. The reversal of 27203648380 is 8384630272.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18380104 + ... + 18381583.

It is an arithmetic number, because the mean of its divisors is an integer number (2444652252).

Almost surely, 2^27203648380 is an apocalyptic number.

27203648380 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

27203648380 is an abundant number, since it is smaller than the sum of its proper divisors (31468005668).

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

27203648380 is a wasteful number, since it uses less digits than its factorization.

27203648380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36761733 (or 36761731 counting only the distinct ones).

The product of its (nonzero) digits is 387072, while the sum is 43.

The spelling of 27203648380 in words is "twenty-seven billion, two hundred three million, six hundred forty-eight thousand, three hundred eighty".