2040140155145 has 8 divisors (see below), whose sum is σ = 2455989811656. Its totient is φ = 1626897707136.

The previous prime is 2040140155133. The next prime is 2040140155199. The reversal of 2040140155145 is 5415510410402.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 63447564544 + 1976692590601 = 251888^2 + 1405949^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2040140155145 - 2¹⁴ = 2040140138761 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 651800402 + ... + 651803531.

It is an arithmetic number, because the mean of its divisors is an integer number (306998726457).

Almost surely, 2^{2040140155145} is an apocalyptic number.

It is an amenable number.

2040140155145 is a deficient number, since it is larger than the sum of its proper divisors (415849656511).

2040140155145 is a wasteful number, since it uses less digits than its factorization.

2040140155145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1303604251.

The product of its (nonzero) digits is 16000, while the sum is 32.

Adding to 2040140155145 its reverse (5415510410402), we get a palindrome (7455650565547).

The spelling of 2040140155145 in words is "two trillion, forty billion, one hundred forty million, one hundred fifty-five thousand, one hundred forty-five".