556104140 has 24 divisors (see below), whose sum is σ = 1173940992. Its totient is φ = 221275520.

The previous prime is 556104139. The next prime is 556104161. The reversal of 556104140 is 41401655.

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, 68969 + ... + 76608.

It is an arithmetic number, because the mean of its divisors is an integer number (48914208).

Almost surely, 2^556104140 is an apocalyptic number.

It is an amenable number.

556104140 is an abundant number, since it is smaller than the sum of its proper divisors (617836852).

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

556104140 is a wasteful number, since it uses less digits than its factorization.

556104140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145777 (or 145775 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 26.

The square root of 556104140 is about 23581.8604015883. The cubic root of 556104140 is about 822.3411875452.

Adding to 556104140 its reverse (41401655), we get a palindrome (597505795).

The spelling of 556104140 in words is "five hundred fifty-six million, one hundred four thousand, one hundred forty".