27702040512 has 112 divisors (see below), whose sum is σ = 76543034112. Its totient is φ = 8825456640.

The previous prime is 27702040453. The next prime is 27702040519. The reversal of 27702040512 is 21504020772.

It is a self number, because there is not a number n which added to its sum of digits gives 27702040512.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27702040519) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10142187 + ... + 10144917.

Almost surely, 2^27702040512 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 27702040512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (38271517056).

27702040512 is an abundant number, since it is smaller than the sum of its proper divisors (48840993600).

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

27702040512 is a wasteful number, since it uses less digits than its factorization.

27702040512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5066 (or 5056 counting only the distinct ones).

The product of its (nonzero) digits is 7840, while the sum is 30.

The spelling of 27702040512 in words is "twenty-seven billion, seven hundred two million, forty thousand, five hundred twelve".