40544425 has 12 divisors (see below), whose sum is σ = 50369296. Its totient is φ = 32374800.

The previous prime is 40544411. The next prime is 40544431. The reversal of 40544425 is 52444504.

It is not a de Polignac number, because 40544425 - 2⁵ = 40544393 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 40544393 and 40544402.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 16102 + ... + 18448.

Almost surely, 2^40544425 is an apocalyptic number.

It is an amenable number.

40544425 is a deficient number, since it is larger than the sum of its proper divisors (9824871).

40544425 is a wasteful number, since it uses less digits than its factorization.

40544425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3048 (or 3043 counting only the distinct ones).

The product of its (nonzero) digits is 12800, while the sum is 28.

The square root of 40544425 is about 6367.4504316877. The cubic root of 40544425 is about 343.5397921424.

Adding to 40544425 its reverse (52444504), we get a palindrome (92988929).

The spelling of 40544425 in words is "forty million, five hundred forty-four thousand, four hundred twenty-five".