556125040 has 20 divisors (see below), whose sum is σ = 1292990904. Its totient is φ = 222449984.

The previous prime is 556125013. The next prime is 556125043. The reversal of 556125040 is 40521655.

It is a tau number, because it is divible by the number of its divisors (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (556125043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3475702 + ... + 3475861.

Almost surely, 2^556125040 is an apocalyptic number.

It is an amenable number.

556125040 is an abundant number, since it is smaller than the sum of its proper divisors (736865864).

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

556125040 is a wasteful number, since it uses less digits than its factorization.

556125040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6951576 (or 6951570 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 28.

The square root of 556125040 is about 23582.3035346422. The cubic root of 556125040 is about 822.3514894019.

Adding to 556125040 its reverse (40521655), we get a palindrome (596646695).

The spelling of 556125040 in words is "five hundred fifty-six million, one hundred twenty-five thousand, forty".