27238122448 has 40 divisors (see below), whose sum is σ = 55670677920. Its totient is φ = 12874573440.

The previous prime is 27238122433. The next prime is 27238122451. The reversal of 27238122448 is 84422183272.

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, 46038 + ... + 237898.

It is an arithmetic number, because the mean of its divisors is an integer number (1391766948).

Almost surely, 2^27238122448 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 27238122448, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27835338960).

27238122448 is an abundant number, since it is smaller than the sum of its proper divisors (28432555472).

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

27238122448 is a wasteful number, since it uses less digits than its factorization.

27238122448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 192355 (or 192349 counting only the distinct ones).

The product of its digits is 344064, while the sum is 43.

The spelling of 27238122448 in words is "twenty-seven billion, two hundred thirty-eight million, one hundred twenty-two thousand, four hundred forty-eight".