4040142545065 has 32 divisors (see below), whose sum is σ = 5308267364352. Its totient is φ = 2927551800000.

The previous prime is 4040142544987. The next prime is 4040142545071. The reversal of 4040142545065 is 5605452410404.

It is not a de Polignac number, because 4040142545065 - 2²⁵ = 4040108990633 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 17688984 + ... + 17915926.

It is an arithmetic number, because the mean of its divisors is an integer number (165883355136).

Almost surely, 2^{4040142545065} is an apocalyptic number.

It is an amenable number.

4040142545065 is a deficient number, since it is larger than the sum of its proper divisors (1268124819287).

4040142545065 is a wasteful number, since it uses less digits than its factorization.

4040142545065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 228141.

The product of its (nonzero) digits is 384000, while the sum is 40.

Adding to 4040142545065 its reverse (5605452410404), we get a palindrome (9645594955469).

The spelling of 4040142545065 in words is "four trillion, forty billion, one hundred forty-two million, five hundred forty-five thousand, sixty-five".