40418125 has 20 divisors (see below), whose sum is σ = 55107360. Its totient is φ = 29390000.

The previous prime is 40418113. The next prime is 40418137. The reversal of 40418125 is 52181404.

It is an interprime number because it is at equal distance from previous prime (40418113) and next prime (40418137).

It is not a de Polignac number, because 40418125 - 2⁵ = 40418093 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a self number, because there is not a number n which added to its sum of digits gives 40418125.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 3936 + ... + 9814.

It is an arithmetic number, because the mean of its divisors is an integer number (2755368).

Almost surely, 2^40418125 is an apocalyptic number.

It is an amenable number.

40418125 is a deficient number, since it is larger than the sum of its proper divisors (14689235).

40418125 is an equidigital number, since it uses as much as digits as its factorization.

40418125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5910 (or 5895 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 25.

The square root of 40418125 is about 6357.5250687669. The cubic root of 40418125 is about 343.1827006501.

Adding to 40418125 its reverse (52181404), we get a palindrome (92599529).

The spelling of 40418125 in words is "forty million, four hundred eighteen thousand, one hundred twenty-five".