40525004 has 12 divisors (see below), whose sum is σ = 76374144. Its totient is φ = 18703824.

The previous prime is 40525003. The next prime is 40525013. The reversal of 40525004 is 40052504.

It is a happy number.

40525004 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×40525004³ (a number of 24 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (40525003) 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 3 ways as a sum of consecutive naturals, for example, 389612 + ... + 389715.

It is an arithmetic number, because the mean of its divisors is an integer number (6364512).

Almost surely, 2^40525004 is an apocalyptic number.

It is an amenable number.

40525004 is a deficient number, since it is larger than the sum of its proper divisors (35849140).

40525004 is a wasteful number, since it uses less digits than its factorization.

40525004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 779344 (or 779342 counting only the distinct ones).

The product of its (nonzero) digits is 800, while the sum is 20.

The square root of 40525004 is about 6365.9252273334. The cubic root of 40525004 is about 343.4849309058.

Adding to 40525004 its reverse (40052504), we get a palindrome (80577508).

It can be divided in two parts, 4052500 and 4, that added together give a palindrome (4052504).

The spelling of 40525004 in words is "forty million, five hundred twenty-five thousand, four".