27941481620 has 48 divisors (see below), whose sum is σ = 63218549520. Its totient is φ = 10312313856.

The previous prime is 27941481619. The next prime is 27941481649. The reversal of 27941481620 is 2618414972.

It can be written as a sum of positive squares in 8 ways, for example, as 13471316356 + 14470165264 = 116066^2 + 120292^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 599726 + ... + 644634.

It is an arithmetic number, because the mean of its divisors is an integer number (1317053115).

Almost surely, 2^27941481620 is an apocalyptic number.

27941481620 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

27941481620 is an abundant number, since it is smaller than the sum of its proper divisors (35277067900).

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

27941481620 is a wasteful number, since it uses less digits than its factorization.

27941481620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47324 (or 47322 counting only the distinct ones).

The product of its (nonzero) digits is 193536, while the sum is 44.

The spelling of 27941481620 in words is "twenty-seven billion, nine hundred forty-one million, four hundred eighty-one thousand, six hundred twenty".