40054065 has 16 divisors (see below), whose sum is σ = 64192128. Its totient is φ = 21326976.

The previous prime is 40054051. The next prime is 40054081. The reversal of 40054065 is 56045004.

It is not a de Polignac number, because 40054065 - 2⁸ = 40053809 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9069 + ... + 12741.

It is an arithmetic number, because the mean of its divisors is an integer number (4012008).

Almost surely, 2^40054065 is an apocalyptic number.

It is an amenable number.

40054065 is a deficient number, since it is larger than the sum of its proper divisors (24138063).

40054065 is a wasteful number, since it uses less digits than its factorization.

40054065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4408.

The product of its (nonzero) digits is 2400, while the sum is 24.

The square root of 40054065 is about 6328.8280905710. The cubic root of 40054065 is about 342.1492030492.

Adding to 40054065 its reverse (56045004), we get a palindrome (96099069).

The spelling of 40054065 in words is "forty million, fifty-four thousand, sixty-five".