556006040 has 64 divisors (see below), whose sum is σ = 1283234400. Its totient is φ = 216732672.

The previous prime is 556006027. The next prime is 556006091. The reversal of 556006040 is 40600655.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 344756 + ... + 346364.

Almost surely, 2^556006040 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 556006040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (641617200).

556006040 is an abundant number, since it is smaller than the sum of its proper divisors (727228360).

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

556006040 is a wasteful number, since it uses less digits than its factorization.

556006040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1836 (or 1832 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 26.

The square root of 556006040 is about 23579.7803212837. The cubic root of 556006040 is about 822.2928294477.

Adding to 556006040 its reverse (40600655), we get a palindrome (596606695).

The spelling of 556006040 in words is "five hundred fifty-six million, six thousand, forty".