556225635444 has 24 divisors (see below), whose sum is σ = 1306570288800. Its totient is φ = 184164191904.

The previous prime is 556225635443. The next prime is 556225635457. The reversal of 556225635444 is 444536522655.

It is a super-3 number, since 3×556225635444³ (a number of 36 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (556225635443) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 155542294 + ... + 155545869.

It is an arithmetic number, because the mean of its divisors is an integer number (54440428700).

Almost surely, 2^556225635444 is an apocalyptic number.

It is an amenable number.

556225635444 is an abundant number, since it is smaller than the sum of its proper divisors (750344653356).

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

556225635444 is a wasteful number, since it uses less digits than its factorization.

556225635444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 311088319 (or 311088317 counting only the distinct ones).

The product of its digits is 17280000, while the sum is 51.

The spelling of 556225635444 in words is "five hundred fifty-six billion, two hundred twenty-five million, six hundred thirty-five thousand, four hundred forty-four".