40224525 has 24 divisors (see below), whose sum is σ = 72551904. Its totient is φ = 19502400.

The previous prime is 40224523. The next prime is 40224551. The reversal of 40224525 is 52542204.

It is a happy number.

40224525 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 40224525 - 2¹ = 40224523 is a prime.

It is a super-2 number, since 2×40224525² = 3236024822951250, which contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 40224495 and 40224504.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40224521) 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 23 ways as a sum of consecutive naturals, for example, 23554 + ... + 25203.

It is an arithmetic number, because the mean of its divisors is an integer number (3022996).

Almost surely, 2^40224525 is an apocalyptic number.

It is an amenable number.

40224525 is a deficient number, since it is larger than the sum of its proper divisors (32327379).

40224525 is a wasteful number, since it uses less digits than its factorization.

40224525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48781 (or 48776 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 24.

The square root of 40224525 is about 6342.2807411845. The cubic root of 40224525 is about 342.6338830483.

Adding to 40224525 its reverse (52542204), we get a palindrome (92766729).

The spelling of 40224525 in words is "forty million, two hundred twenty-four thousand, five hundred twenty-five".