40825386549 has 6 divisors (see below), whose sum is σ = 58970002806. Its totient is φ = 27216924360.

The previous prime is 40825386527. The next prime is 40825386587. The reversal of 40825386549 is 94568352804.

40825386549 is a `hidden beast` number, since 4 + 0 + 8 + 2 + 538 + 65 + 49 = 666.

It can be written as a sum of positive squares in only one way, i.e., 39692592900 + 1132793649 = 199230^2 + 33657^2 .

It is not a de Polignac number, because 40825386549 - 2⁸ = 40825386293 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 40825386495 and 40825386504.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40805386549) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 2268077022 + ... + 2268077039.

It is an arithmetic number, because the mean of its divisors is an integer number (9828333801).

Almost surely, 2^40825386549 is an apocalyptic number.

It is an amenable number.

40825386549 is a deficient number, since it is larger than the sum of its proper divisors (18144616257).

40825386549 is a wasteful number, since it uses less digits than its factorization.

40825386549 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4536154067 (or 4536154064 counting only the distinct ones).

The product of its (nonzero) digits is 8294400, while the sum is 54.

The spelling of 40825386549 in words is "forty billion, eight hundred twenty-five million, three hundred eighty-six thousand, five hundred forty-nine".