27440146 has 16 divisors (see below), whose sum is σ = 42773760. Its totient is φ = 13188240.

The previous prime is 27440137. The next prime is 27440183. The reversal of 27440146 is 64104472.

It is a super-2 number, since 2×27440146² = 1505923225002632, which contains 22 as substring.

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, 8325 + ... + 11143.

It is an arithmetic number, because the mean of its divisors is an integer number (2673360).

Almost surely, 2^27440146 is an apocalyptic number.

27440146 is a deficient number, since it is larger than the sum of its proper divisors (15333614).

27440146 is a wasteful number, since it uses less digits than its factorization.

27440146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3009.

The product of its (nonzero) digits is 5376, while the sum is 28.

The square root of 27440146 is about 5238.3342772297. The cubic root of 27440146 is about 301.6213915482.

The spelling of 27440146 in words is "twenty-seven million, four hundred forty thousand, one hundred forty-six".