5501044009440 has 768 divisors, whose sum is σ = 22639723223040. Its totient is φ = 1221187829760.

The previous prime is 5501044009397. The next prime is 5501044009507. The reversal of 5501044009440 is 449004401055.

5501044009440 is a `hidden beast` number, since 550 + 10 + 4 + 4 + 0 + 0 + 94 + 4 + 0 = 666.

It is a super-2 number, since 2×5501044009440² (a number of 26 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 5501044009395 and 5501044009404.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 663491695 + ... + 663499985.

It is an arithmetic number, because the mean of its divisors is an integer number (29478806280).

Almost surely, 2^{5501044009440} 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 5501044009440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11319861611520).

5501044009440 is an abundant number, since it is smaller than the sum of its proper divisors (17138679213600).

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

5501044009440 is a wasteful number, since it uses less digits than its factorization.

5501044009440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8952 (or 8938 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 36.

The spelling of 5501044009440 in words is "five trillion, five hundred one billion, forty-four million, nine thousand, four hundred forty".