27440992 has 48 divisors (see below), whose sum is σ = 58069872. Its totient is φ = 12718080.

The previous prime is 27440981. The next prime is 27441049. The reversal of 27440992 is 29904472.

It is a super-4 number, since 4×27440992⁴ (a number of 31 digits) contains 4444 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39367 + ... + 40057.

It is an arithmetic number, because the mean of its divisors is an integer number (1209789).

Almost surely, 2^27440992 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 27440992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29034936).

27440992 is an abundant number, since it is smaller than the sum of its proper divisors (30628880).

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

27440992 is a wasteful number, since it uses less digits than its factorization.

27440992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 791 (or 783 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 37.

The square root of 27440992 is about 5238.4150274678. The cubic root of 27440992 is about 301.6244912532.

The spelling of 27440992 in words is "twenty-seven million, four hundred forty thousand, nine hundred ninety-two".