40027089 has 12 divisors (see below), whose sum is σ = 53911536. Its totient is φ = 26416368.

The previous prime is 40027087. The next prime is 40027103. The reversal of 40027089 is 98072004.

It is not a de Polignac number, because 40027089 - 2¹ = 40027087 is a prime.

It is a Smith number, since the sum of its digits (30) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (40027087) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 35082 + ... + 36204.

It is an arithmetic number, because the mean of its divisors is an integer number (4492628).

Almost surely, 2^40027089 is an apocalyptic number.

It is an amenable number.

40027089 is a deficient number, since it is larger than the sum of its proper divisors (13884447).

40027089 is a wasteful number, since it uses less digits than its factorization.

40027089 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1344 (or 1235 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 30.

The square root of 40027089 is about 6326.6965313661. The cubic root of 40027089 is about 342.0723744781.

The spelling of 40027089 in words is "forty million, twenty-seven thousand, eighty-nine".