40160825 has 6 divisors (see below), whose sum is σ = 49799454. Its totient is φ = 32128640.

The previous prime is 40160821. The next prime is 40160831. The reversal of 40160825 is 52806104.

40160825 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 3 ways, for example, as 3485689 + 36675136 = 1867^2 + 6056^2 .

It is not a de Polignac number, because 40160825 - 2² = 40160821 is a prime.

It is a super-2 number, since 2×40160825² = 3225783729361250, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 40160794 and 40160803.

It is not an unprimeable number, because it can be changed into a prime (40160821) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 803192 + ... + 803241.

It is an arithmetic number, because the mean of its divisors is an integer number (8299909).

Almost surely, 2^40160825 is an apocalyptic number.

It is an amenable number.

40160825 is a deficient number, since it is larger than the sum of its proper divisors (9638629).

40160825 is a wasteful number, since it uses less digits than its factorization.

40160825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1606443 (or 1606438 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 26.

The square root of 40160825 is about 6337.2568986905. The cubic root of 40160825 is about 342.4529212290.

Adding to 40160825 its reverse (52806104), we get a palindrome (92966929).

The spelling of 40160825 in words is "forty million, one hundred sixty thousand, eight hundred twenty-five".