40068125 has 10 divisors (see below), whose sum is σ = 50069910. Its totient is φ = 32054000.

The previous prime is 40068121. The next prime is 40068157. The reversal of 40068125 is 52186004.

It can be written as a sum of positive squares in 5 ways, for example, as 4044121 + 36024004 = 2011^2 + 6002^2 .

It is not a de Polignac number, because 40068125 - 2² = 40068121 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 40068094 and 40068103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40068121) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 31430 + ... + 32679.

It is an arithmetic number, because the mean of its divisors is an integer number (5006991).

Almost surely, 2^40068125 is an apocalyptic number.

It is an amenable number.

40068125 is a deficient number, since it is larger than the sum of its proper divisors (10001785).

40068125 is an frugal number, since it uses more digits than its factorization.

40068125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64129 (or 64114 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 26.

The square root of 40068125 is about 6329.9387832743. The cubic root of 40068125 is about 342.1892327359.

The spelling of 40068125 in words is "forty million, sixty-eight thousand, one hundred twenty-five".