40125660 has 24 divisors (see below), whose sum is σ = 112352016. Its totient is φ = 10700160.

The previous prime is 40125653. The next prime is 40125671. The reversal of 40125660 is 6652104.

It is a super-2 number, since 2×40125660² = 3220137180871200, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 40125660.

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 7 ways as a sum of consecutive naturals, for example, 334321 + ... + 334440.

It is an arithmetic number, because the mean of its divisors is an integer number (4681334).

Almost surely, 2^40125660 is an apocalyptic number.

It is an amenable number.

40125660 is an abundant number, since it is smaller than the sum of its proper divisors (72226356).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

40125660 is a wasteful number, since it uses less digits than its factorization.

40125660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 668773 (or 668771 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 40125660 is about 6334.4818256902. The cubic root of 40125660 is about 342.3529409333.

Adding to 40125660 its reverse (6652104), we get a palindrome (46777764).

The spelling of 40125660 in words is "forty million, one hundred twenty-five thousand, six hundred sixty".