40125224 has 32 divisors (see below), whose sum is σ = 78200640. Its totient is φ = 19286400.

The previous prime is 40125223. The next prime is 40125227. The reversal of 40125224 is 42252104.

It is a happy number.

It is a super-2 number, since 2×40125224² = 3220067202100352, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 40125196 and 40125205.

It is not an unprimeable number, because it can be changed into a prime (40125223) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22427 + ... + 24149.

It is an arithmetic number, because the mean of its divisors is an integer number (2443770).

Almost surely, 2^40125224 is an apocalyptic number.

It is an amenable number.

40125224 is a deficient number, since it is larger than the sum of its proper divisors (38075416).

40125224 is a wasteful number, since it uses less digits than its factorization.

40125224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1841 (or 1837 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 20.

The square root of 40125224 is about 6334.4474107849. The cubic root of 40125224 is about 342.3517009419.

Adding to 40125224 its reverse (42252104), we get a palindrome (82377328).

The spelling of 40125224 in words is "forty million, one hundred twenty-five thousand, two hundred twenty-four".