5627638044 has 432 divisors, whose sum is σ = 18773664000. Its totient is φ = 1416393216.

The previous prime is 5627638033. The next prime is 5627638069. The reversal of 5627638044 is 4408367265.

5627638044 is a `hidden beast` number, since 5 + 6 + 2 + 7 + 638 + 0 + 4 + 4 = 666.

It is a super-2 number, since 2×5627638044² = 63340619908552291872, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 67802827 + ... + 67802909.

Almost surely, 2^5627638044 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 5627638044, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9386832000).

5627638044 is an abundant number, since it is smaller than the sum of its proper divisors (13146025956).

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

5627638044 is a wasteful number, since it uses less digits than its factorization.

5627638044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 167 (or 131 counting only the distinct ones).

The product of its (nonzero) digits is 967680, while the sum is 45.

The square root of 5627638044 is about 75017.5848984756. The cubic root of 5627638044 is about 1778.7246307503.

The spelling of 5627638044 in words is "five billion, six hundred twenty-seven million, six hundred thirty-eight thousand, forty-four".