40125424 has 20 divisors (see below), whose sum is σ = 78213744. Its totient is φ = 19941248.

The previous prime is 40125419. The next prime is 40125469. The reversal of 40125424 is 42452104.

It is a happy number.

It is a super-2 number, since 2×40125424² = 3220099302359552, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 40125395 and 40125404.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 4837 + ... + 10180.

Almost surely, 2^40125424 is an apocalyptic number.

It is an amenable number.

40125424 is a deficient number, since it is larger than the sum of its proper divisors (38088320).

40125424 is a wasteful number, since it uses less digits than its factorization.

40125424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15192 (or 15186 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 22.

The square root of 40125424 is about 6334.4631974620. The cubic root of 40125424 is about 342.3522697464.

Adding to 40125424 its reverse (42452104), we get a palindrome (82577528).

The spelling of 40125424 in words is "forty million, one hundred twenty-five thousand, four hundred twenty-four".