40125830 has 16 divisors (see below), whose sum is σ = 72385920. Its totient is φ = 16014912.

The previous prime is 40125829. The next prime is 40125859. The reversal of 40125830 is 3852104.

It is a super-2 number, since 2×40125830² = 3220164466377800, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 40125796 and 40125805.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 602 + ... + 8978.

It is an arithmetic number, because the mean of its divisors is an integer number (4524120).

Almost surely, 2^40125830 is an apocalyptic number.

40125830 is a deficient number, since it is larger than the sum of its proper divisors (32260090).

40125830 is a wasteful number, since it uses less digits than its factorization.

40125830 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8863.

The product of its (nonzero) digits is 960, while the sum is 23.

The square root of 40125830 is about 6334.4952442953. The cubic root of 40125830 is about 342.3534244138.

Adding to 40125830 its reverse (3852104), we get a palindrome (43977934).

The spelling of 40125830 in words is "forty million, one hundred twenty-five thousand, eight hundred thirty".