27725442416 has 20 divisors (see below), whose sum is σ = 61392051312. Its totient is φ = 11882332416.

The previous prime is 27725442403. The next prime is 27725442439. The reversal of 27725442416 is 61424452772.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 123774185 + ... + 123774408.

Almost surely, 2^27725442416 is an apocalyptic number.

It is an amenable number.

27725442416 is an abundant number, since it is smaller than the sum of its proper divisors (33666608896).

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

27725442416 is a wasteful number, since it uses less digits than its factorization.

27725442416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 247548608 (or 247548602 counting only the distinct ones).

The product of its digits is 752640, while the sum is 44.

The spelling of 27725442416 in words is "twenty-seven billion, seven hundred twenty-five million, four hundred forty-two thousand, four hundred sixteen".