556149480 has 64 divisors (see below), whose sum is σ = 1678743360. Its totient is φ = 147391488.

The previous prime is 556149463. The next prime is 556149481. The reversal of 556149480 is 84941655.

It is not an unprimeable number, because it can be changed into a prime (556149481) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5344 + ... + 33776.

It is an arithmetic number, because the mean of its divisors is an integer number (26230365).

Almost surely, 2^556149480 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 556149480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (839371680).

556149480 is an abundant number, since it is smaller than the sum of its proper divisors (1122593880).

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

556149480 is a wasteful number, since it uses less digits than its factorization.

556149480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28610 (or 28606 counting only the distinct ones).

The product of its (nonzero) digits is 172800, while the sum is 42.

The square root of 556149480 is about 23582.8217141206. The cubic root of 556149480 is about 822.3635358390.

The spelling of 556149480 in words is "five hundred fifty-six million, one hundred forty-nine thousand, four hundred eighty".