5639445504 has 440 divisors, whose sum is σ = 21019709568. Its totient is φ = 1463132160.

The previous prime is 5639445467. The next prime is 5639445517. The reversal of 5639445504 is 4055449365.

5639445504 is a `hidden beast` number, since 5 + 6 + 3 + 94 + 4 + 550 + 4 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 5639445504.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 6386247 + ... + 6387129.

Almost surely, 2^5639445504 is an apocalyptic number.

5639445504 is a gapful number since it is divisible by the number (54) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5639445504, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10509854784).

5639445504 is an abundant number, since it is smaller than the sum of its proper divisors (15380264064).

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

5639445504 is a wasteful number, since it uses less digits than its factorization.

5639445504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 933 (or 906 counting only the distinct ones).

The product of its (nonzero) digits is 1296000, while the sum is 45.

The square root of 5639445504 is about 75096.2416103496. The cubic root of 5639445504 is about 1779.9677543290.

The spelling of 5639445504 in words is "five billion, six hundred thirty-nine million, four hundred forty-five thousand, five hundred four".