40425404513 has 6 divisors (see below), whose sum is σ = 43774254774. Its totient is φ = 37315757856.

The previous prime is 40425404479. The next prime is 40425404519. The reversal of 40425404513 is 31540452404.

It can be written as a sum of positive squares in 3 ways, for example, as 2823540769 + 37601863744 = 53137^2 + 193912^2 .

It is not a de Polignac number, because 40425404513 - 2¹⁶ = 40425338977 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 40425404513.

It is not an unprimeable number, because it can be changed into a prime (40425404519) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 119601620 + ... + 119601957.

It is an arithmetic number, because the mean of its divisors is an integer number (7295709129).

Almost surely, 2^40425404513 is an apocalyptic number.

It is an amenable number.

40425404513 is a deficient number, since it is larger than the sum of its proper divisors (3348850261).

40425404513 is a wasteful number, since it uses less digits than its factorization.

40425404513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 239203603 (or 239203590 counting only the distinct ones).

The product of its (nonzero) digits is 38400, while the sum is 32.

Adding to 40425404513 its reverse (31540452404), we get a palindrome (71965856917).

The spelling of 40425404513 in words is "forty billion, four hundred twenty-five million, four hundred four thousand, five hundred thirteen".