27136107440 has 80 divisors (see below), whose sum is σ = 67971753696. Its totient is φ = 10015488000.

The previous prime is 27136107413. The next prime is 27136107463. The reversal of 27136107440 is 4470163172.

It is a tau number, because it is divible by the number of its divisors (80).

It is a self number, because there is not a number n which added to its sum of digits gives 27136107440.

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, 4365935 + ... + 4372145.

Almost surely, 2^27136107440 is an apocalyptic number.

27136107440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

27136107440 is an abundant number, since it is smaller than the sum of its proper divisors (40835646256).

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

27136107440 is a wasteful number, since it uses less digits than its factorization.

27136107440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10438 (or 10432 counting only the distinct ones).

The product of its (nonzero) digits is 28224, while the sum is 35.

The spelling of 27136107440 in words is "twenty-seven billion, one hundred thirty-six million, one hundred seven thousand, four hundred forty".