40525441 has 12 divisors (see below), whose sum is σ = 46084500. Its totient is φ = 35567840.

The previous prime is 40525417. The next prime is 40525469. The reversal of 40525441 is 14452504.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 32092225 + 8433216 = 5665^2 + 2904^2 .

It is not a de Polignac number, because 40525441 - 2⁷ = 40525313 is a prime.

It is a super-2 number, since 2×40525441² = 3284622736488962, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (40525741) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2266 + ... + 9283.

It is an arithmetic number, because the mean of its divisors is an integer number (3840375).

Almost surely, 2^40525441 is an apocalyptic number.

It is an amenable number.

40525441 is a deficient number, since it is larger than the sum of its proper divisors (5559059).

40525441 is a wasteful number, since it uses less digits than its factorization.

40525441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11600 (or 11589 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 25.

The square root of 40525441 is about 6365.9595506098. The cubic root of 40525441 is about 343.4861655540.

Adding to 40525441 its reverse (14452504), we get a palindrome (54977945).

The spelling of 40525441 in words is "forty million, five hundred twenty-five thousand, four hundred forty-one".