40569125 has 32 divisors (see below), whose sum is σ = 53733888. Its totient is φ = 30518400.

The previous prime is 40569121. The next prime is 40569127. The reversal of 40569125 is 52196504.

It is a happy number.

It is not a de Polignac number, because 40569125 - 2² = 40569121 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 40569091 and 40569100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40569121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 296057 + ... + 296193.

It is an arithmetic number, because the mean of its divisors is an integer number (1679184).

Almost surely, 2^40569125 is an apocalyptic number.

It is an amenable number.

40569125 is a deficient number, since it is larger than the sum of its proper divisors (13164763).

40569125 is a wasteful number, since it uses less digits than its factorization.

40569125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 278 (or 268 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 32.

The square root of 40569125 is about 6369.3896881883. The cubic root of 40569125 is about 343.6095404108.

The spelling of 40569125 in words is "forty million, five hundred sixty-nine thousand, one hundred twenty-five".