5538404389440 has 896 divisors, whose sum is σ = 20179094487552. Its totient is φ = 1277523394560.

The previous prime is 5538404389411. The next prime is 5538404389447. The reversal of 5538404389440 is 449834048355.

It is not an unprimeable number, because it can be changed into a prime (5538404389447) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 1449462730 + ... + 1449466550.

It is an arithmetic number, because the mean of its divisors is an integer number (22521310812).

Almost surely, 2^{5538404389440} 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 5538404389440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10089547243776).

5538404389440 is an abundant number, since it is smaller than the sum of its proper divisors (14640690098112).

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

5538404389440 is a wasteful number, since it uses less digits than its factorization.

5538404389440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4007 (or 3997 counting only the distinct ones).

The product of its (nonzero) digits is 33177600, while the sum is 57.

The spelling of 5538404389440 in words is "five trillion, five hundred thirty-eight billion, four hundred four million, three hundred eighty-nine thousand, four hundred forty".