27440196 has 72 divisors (see below), whose sum is σ = 77757120. Its totient is φ = 7495488.

The previous prime is 27440191. The next prime is 27440197. The reversal of 27440196 is 69104472.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (27440191) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12510 + ... + 14538.

It is an arithmetic number, because the mean of its divisors is an integer number (1079960).

Almost surely, 2^27440196 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 27440196, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (38878560).

27440196 is an abundant number, since it is smaller than the sum of its proper divisors (50316924).

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

27440196 is a wasteful number, since it uses less digits than its factorization.

27440196 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2073 (or 2064 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 33.

The square root of 27440196 is about 5238.3390497370. The cubic root of 27440196 is about 301.6215747477.

It can be divided in two parts, 274 and 40196, that added together give a triangular number (40470 = T₂₈₄).

The spelling of 27440196 in words is "twenty-seven million, four hundred forty thousand, one hundred ninety-six".