556425521460 has 72 divisors (see below), whose sum is σ = 1715493362856. Its totient is φ = 145947674880.

The previous prime is 556425521429. The next prime is 556425521461. The reversal of 556425521460 is 64125524655.

556425521460 is a `hidden beast` number, since 5 + 5 + 6 + 425 + 5 + 214 + 6 + 0 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 42844032144 + 513581489316 = 206988^2 + 716646^2 .

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (556425521461) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 25327159 + ... + 25349118.

Almost surely, 2^556425521460 is an apocalyptic number.

It is an amenable number.

556425521460 is an abundant number, since it is smaller than the sum of its proper divisors (1159067841396).

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

556425521460 is a wasteful number, since it uses less digits than its factorization.

556425521460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50676353 (or 50676348 counting only the distinct ones).

The product of its (nonzero) digits is 1440000, while the sum is 45.

The spelling of 556425521460 in words is "five hundred fifty-six billion, four hundred twenty-five million, five hundred twenty-one thousand, four hundred sixty".