40434225 has 48 divisors (see below), whose sum is σ = 72828672. Its totient is φ = 19676160.

The previous prime is 40434221. The next prime is 40434227. The reversal of 40434225 is 52243404.

40434225 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 40434225 - 2² = 40434221 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 40434195 and 40434204.

It is not an unprimeable number, because it can be changed into a prime (40434221) 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 47 ways as a sum of consecutive naturals, for example, 109992 + ... + 110358.

It is an arithmetic number, because the mean of its divisors is an integer number (1517264).

Almost surely, 2^40434225 is an apocalyptic number.

It is an amenable number.

40434225 is a deficient number, since it is larger than the sum of its proper divisors (32394447).

40434225 is a wasteful number, since it uses less digits than its factorization.

40434225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 506 (or 501 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 24.

The square root of 40434225 is about 6358.7911587030. The cubic root of 40434225 is about 343.2282619588.

Adding to 40434225 its reverse (52243404), we get a palindrome (92677629).

The spelling of 40434225 in words is "forty million, four hundred thirty-four thousand, two hundred twenty-five".