5555001440 has 192 divisors, whose sum is σ = 14082647040. Its totient is φ = 2067394560.

The previous prime is 5555001437. The next prime is 5555001449. The reversal of 5555001440 is 441005555.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5555001449) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 13257551 + ... + 13257969.

It is an arithmetic number, because the mean of its divisors is an integer number (73347120).

Almost surely, 2^5555001440 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 5555001440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7041323520).

5555001440 is an abundant number, since it is smaller than the sum of its proper divisors (8527645600).

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

5555001440 is a wasteful number, since it uses less digits than its factorization.

5555001440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 565 (or 557 counting only the distinct ones).

The product of its (nonzero) digits is 10000, while the sum is 29.

The square root of 5555001440 is about 74531.8820371524. The cubic root of 5555001440 is about 1771.0387297822.

Adding to 5555001440 its reverse (441005555), we get a palindrome (5996006995).

The spelling of 5555001440 in words is "five billion, five hundred fifty-five million, one thousand, four hundred forty".