40656125 has 8 divisors (see below), whose sum is σ = 50739000. Its totient is φ = 32524800.

The previous prime is 40656107. The next prime is 40656149. The reversal of 40656125 is 52165604.

It can be written as a sum of positive squares in 4 ways, for example, as 574564 + 40081561 = 758^2 + 6331^2 .

It is not a de Polignac number, because 40656125 - 2⁸ = 40655869 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 162500 + ... + 162749.

It is an arithmetic number, because the mean of its divisors is an integer number (6342375).

Almost surely, 2^40656125 is an apocalyptic number.

It is an amenable number.

40656125 is a deficient number, since it is larger than the sum of its proper divisors (10082875).

40656125 is an equidigital number, since it uses as much as digits as its factorization.

40656125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 325264 (or 325254 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 29.

The square root of 40656125 is about 6376.2155703834. The cubic root of 40656125 is about 343.8549872156.

The spelling of 40656125 in words is "forty million, six hundred fifty-six thousand, one hundred twenty-five".