40125885 has 16 divisors (see below), whose sum is σ = 64281984. Its totient is φ = 21373632.

The previous prime is 40125881. The next prime is 40125887. The reversal of 40125885 is 58852104.

40125885 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 40125885 - 2² = 40125881 is a prime.

It is a super-2 number, since 2×40125885² = 3220173294066450, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40125881) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18519 + ... + 20571.

It is an arithmetic number, because the mean of its divisors is an integer number (4017624).

Almost surely, 2^40125885 is an apocalyptic number.

It is an amenable number.

40125885 is a deficient number, since it is larger than the sum of its proper divisors (24156099).

40125885 is a wasteful number, since it uses less digits than its factorization.

40125885 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3364.

The product of its (nonzero) digits is 12800, while the sum is 33.

The square root of 40125885 is about 6334.4995856026. The cubic root of 40125885 is about 342.3535808337.

Adding to 40125885 its reverse (58852104), we get a palindrome (98977989).

The spelling of 40125885 in words is "forty million, one hundred twenty-five thousand, eight hundred eighty-five".