40027144 has 16 divisors (see below), whose sum is σ = 75272400. Its totient is φ = 19954512.

The previous prime is 40027133. The next prime is 40027151. The reversal of 40027144 is 44172004.

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, 4434 + ... + 9985.

It is an arithmetic number, because the mean of its divisors is an integer number (4704525).

Almost surely, 2^40027144 is an apocalyptic number.

It is an amenable number.

40027144 is a deficient number, since it is larger than the sum of its proper divisors (35245256).

40027144 is a wasteful number, since it uses less digits than its factorization.

40027144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14772 (or 14768 counting only the distinct ones).

The product of its (nonzero) digits is 896, while the sum is 22.

The square root of 40027144 is about 6326.7008780248. The cubic root of 40027144 is about 342.0725311551.

Adding to 40027144 its reverse (44172004), we get a palindrome (84199148).

The spelling of 40027144 in words is "forty million, twenty-seven thousand, one hundred forty-four".