3125223124040 has 16 divisors (see below), whose sum is σ = 7031752029180. Its totient is φ = 1250089249600.

The previous prime is 3125223124019. The next prime is 3125223124061. The reversal of 3125223124040 is 404213225213.

It is an interprime number because it is at equal distance from previous prime (3125223124019) and next prime (3125223124061).

It can be written as a sum of positive squares in 2 ways, for example, as 2877304772644 + 247918351396 = 1696262^2 + 497914^2 .

It is a junction number, because it is equal to n+sod(n) for n = 3125223123994 and 3125223124012.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 39065289011 + ... + 39065289090.

Almost surely, 2^{3125223124040} is an apocalyptic number.

It is an amenable number.

3125223124040 is an abundant number, since it is smaller than the sum of its proper divisors (3906528905140).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3125223124040 is a wasteful number, since it uses less digits than its factorization.

3125223124040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78130578112 (or 78130578108 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 29.

Adding to 3125223124040 its reverse (404213225213), we get a palindrome (3529436349253).

The spelling of 3125223124040 in words is "three trillion, one hundred twenty-five billion, two hundred twenty-three million, one hundred twenty-four thousand, forty".