40412125 has 24 divisors (see below), whose sum is σ = 54640872. Its totient is φ = 29827200.

The previous prime is 40412093. The next prime is 40412137. The reversal of 40412125 is 52121404.

It can be written as a sum of positive squares in 12 ways, for example, as 34550884 + 5861241 = 5878^2 + 2421^2 .

It is not a de Polignac number, because 40412125 - 2⁵ = 40412093 is a prime.

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, 20169 + ... + 22081.

It is an arithmetic number, because the mean of its divisors is an integer number (2276703).

Almost surely, 2^40412125 is an apocalyptic number.

It is an amenable number.

40412125 is a deficient number, since it is larger than the sum of its proper divisors (14228747).

40412125 is a wasteful number, since it uses less digits than its factorization.

40412125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1954 (or 1931 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 19.

The square root of 40412125 is about 6357.0531695118. The cubic root of 40412125 is about 343.1657181858.

Adding to 40412125 its reverse (52121404), we get a palindrome (92533529).

The spelling of 40412125 in words is "forty million, four hundred twelve thousand, one hundred twenty-five".