27653376740 has 96 divisors (see below), whose sum is σ = 67997470464. Its totient is φ = 9334517760.

The previous prime is 27653376731. The next prime is 27653376799. The reversal of 27653376740 is 4767335672.

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, 222377 + ... + 323663.

It is an arithmetic number, because the mean of its divisors is an integer number (708306984).

Almost surely, 2^27653376740 is an apocalyptic number.

27653376740 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 27653376740, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33998735232).

27653376740 is an abundant number, since it is smaller than the sum of its proper divisors (40344093724).

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

27653376740 is a wasteful number, since it uses less digits than its factorization.

27653376740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101397 (or 101395 counting only the distinct ones).

The product of its (nonzero) digits is 4445280, while the sum is 50.

The spelling of 27653376740 in words is "twenty-seven billion, six hundred fifty-three million, three hundred seventy-six thousand, seven hundred forty".