40504625 has 48 divisors (see below), whose sum is σ = 62421840. Its totient is φ = 26073600.

The previous prime is 40504601. The next prime is 40504627. The reversal of 40504625 is 52640504.

It can be written as a sum of positive squares in 8 ways, for example, as 12794929 + 27709696 = 3577^2 + 5264^2 .

It is not a de Polignac number, because 40504625 - 2¹⁰ = 40503601 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 40504594 and 40504603.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40504627) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 103931 + ... + 104319.

It is an arithmetic number, because the mean of its divisors is an integer number (1300455).

Almost surely, 2^40504625 is an apocalyptic number.

It is an amenable number.

40504625 is a deficient number, since it is larger than the sum of its proper divisors (21917215).

40504625 is a wasteful number, since it uses less digits than its factorization.

40504625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 435 (or 418 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 26.

The square root of 40504625 is about 6364.3243946235. The cubic root of 40504625 is about 343.4273446224.

The spelling of 40504625 in words is "forty million, five hundred four thousand, six hundred twenty-five".