40452225 has 24 divisors (see below), whose sum is σ = 72962592. Its totient is φ = 19612800.

The previous prime is 40452169. The next prime is 40452227. The reversal of 40452225 is 52225404.

It is a happy number.

It is not a de Polignac number, because 40452225 - 2⁶ = 40452161 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 40452195 and 40452204.

It is not an unprimeable number, because it can be changed into a prime (40452227) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 23692 + ... + 25341.

It is an arithmetic number, because the mean of its divisors is an integer number (3040108).

Almost surely, 2^40452225 is an apocalyptic number.

It is an amenable number.

40452225 is a deficient number, since it is larger than the sum of its proper divisors (32510367).

40452225 is a wasteful number, since it uses less digits than its factorization.

40452225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49057 (or 49052 counting only the distinct ones).

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

The square root of 40452225 is about 6360.2063645765. The cubic root of 40452225 is about 343.2791857507.

Adding to 40452225 its reverse (52225404), we get a palindrome (92677629).

The spelling of 40452225 in words is "forty million, four hundred fifty-two thousand, two hundred twenty-five".