40458225 has 24 divisors (see below), whose sum is σ = 67183200. Its totient is φ = 21483520.

The previous prime is 40458199. The next prime is 40458241. The reversal of 40458225 is 52285404.

It is not a de Polignac number, because 40458225 - 2¹¹ = 40456177 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 40458192 and 40458201.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 18226 + ... + 20324.

It is an arithmetic number, because the mean of its divisors is an integer number (2799300).

Almost surely, 2^40458225 is an apocalyptic number.

It is an amenable number.

40458225 is a deficient number, since it is larger than the sum of its proper divisors (26724975).

40458225 is a wasteful number, since it uses less digits than its factorization.

40458225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2369 (or 2364 counting only the distinct ones).

The product of its (nonzero) digits is 12800, while the sum is 30.

The square root of 40458225 is about 6360.6780298959. The cubic root of 40458225 is about 343.2961569910.

The spelling of 40458225 in words is "forty million, four hundred fifty-eight thousand, two hundred twenty-five".