27047241240 has 128 divisors (see below), whose sum is σ = 83575661760. Its totient is φ = 6997377024.

The previous prime is 27047241173. The next prime is 27047241257. The reversal of 27047241240 is 4214274072.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1558692 + ... + 1575948.

Almost surely, 2^27047241240 is an apocalyptic number.

27047241240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 27047241240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (41787830880).

27047241240 is an abundant number, since it is smaller than the sum of its proper divisors (56528420520).

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

27047241240 is a wasteful number, since it uses less digits than its factorization.

27047241240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17661 (or 17657 counting only the distinct ones).

The product of its (nonzero) digits is 25088, while the sum is 33.

The spelling of 27047241240 in words is "twenty-seven billion, forty-seven million, two hundred forty-one thousand, two hundred forty".