3540023585825 has 6 divisors (see below), whose sum is σ = 4389629246454. Its totient is φ = 2832018868640.

The previous prime is 3540023585821. The next prime is 3540023585837. The reversal of 3540023585825 is 5285853200453.

It can be written as a sum of positive squares in 3 ways, for example, as 25103550481 + 3514920035344 = 158441^2 + 1874812^2 .

It is not a de Polignac number, because 3540023585825 - 2² = 3540023585821 is a prime.

It is a super-2 number, since 2×3540023585825² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (3540023585821) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 70800471692 + ... + 70800471741.

It is an arithmetic number, because the mean of its divisors is an integer number (731604874409).

Almost surely, 2^{3540023585825} is an apocalyptic number.

It is an amenable number.

3540023585825 is a deficient number, since it is larger than the sum of its proper divisors (849605660629).

3540023585825 is a wasteful number, since it uses less digits than its factorization.

3540023585825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141600943443 (or 141600943438 counting only the distinct ones).

The product of its (nonzero) digits is 5760000, while the sum is 50.

The spelling of 3540023585825 in words is "three trillion, five hundred forty billion, twenty-three million, five hundred eighty-five thousand, eight hundred twenty-five".