40126625 has 48 divisors (see below), whose sum is σ = 63073920. Its totient is φ = 24948000.

The previous prime is 40126621. The next prime is 40126627. The reversal of 40126625 is 52662104.

It is not a de Polignac number, because 40126625 - 2² = 40126621 is a prime.

It is a super-2 number, since 2×40126625² = 3220292067781250, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 40126594 and 40126603.

It is not an unprimeable number, because it can be changed into a prime (40126621) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 105686 + ... + 106064.

It is an arithmetic number, because the mean of its divisors is an integer number (1314040).

Almost surely, 2^40126625 is an apocalyptic number.

It is an amenable number.

40126625 is a deficient number, since it is larger than the sum of its proper divisors (22947295).

40126625 is a wasteful number, since it uses less digits than its factorization.

40126625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 423 (or 402 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 26.

The square root of 40126625 is about 6334.5579956300. The cubic root of 40126625 is about 342.3556853778.

Adding to 40126625 its reverse (52662104), we get a palindrome (92788729).

The spelling of 40126625 in words is "forty million, one hundred twenty-six thousand, six hundred twenty-five".