40111825 has 24 divisors (see below), whose sum is σ = 54246528. Its totient is φ = 29244480.

The previous prime is 40111801. The next prime is 40111829. The reversal of 40111825 is 52811104.

It is not a de Polignac number, because 40111825 - 2¹³ = 40103633 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 40111796 and 40111805.

It is not an unprimeable number, because it can be changed into a prime (40111829) 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 23 ways as a sum of consecutive naturals, for example, 26232 + ... + 27718.

It is an arithmetic number, because the mean of its divisors is an integer number (2260272).

Almost surely, 2^40111825 is an apocalyptic number.

It is an amenable number.

40111825 is a deficient number, since it is larger than the sum of its proper divisors (14134703).

40111825 is a wasteful number, since it uses less digits than its factorization.

40111825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1593 (or 1588 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 22.

The square root of 40111825 is about 6333.3896927317. The cubic root of 40111825 is about 342.3135895772.

Adding to 40111825 its reverse (52811104), we get a palindrome (92922929).

The spelling of 40111825 in words is "forty million, one hundred eleven thousand, eight hundred twenty-five".