556496187420 has 48 divisors (see below), whose sum is σ = 1559195517600. Its totient is φ = 148303155456.

The previous prime is 556496187419. The next prime is 556496187421. The reversal of 556496187420 is 24781694655.

It is an interprime number because it is at equal distance from previous prime (556496187419) and next prime (556496187421).

It is a super-2 number, since 2×556496187420² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (556496187421) 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, 2900907 + ... + 3086786.

It is an arithmetic number, because the mean of its divisors is an integer number (32483239950).

Almost surely, 2^556496187420 is an apocalyptic number.

It is an amenable number.

556496187420 is an abundant number, since it is smaller than the sum of its proper divisors (1002699330180).

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

556496187420 is a wasteful number, since it uses less digits than its factorization.

556496187420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5989254 (or 5989252 counting only the distinct ones).

The product of its (nonzero) digits is 14515200, while the sum is 57.

The spelling of 556496187420 in words is "five hundred fifty-six billion, four hundred ninety-six million, one hundred eighty-seven thousand, four hundred twenty".