5555489040 has 240 divisors, whose sum is σ = 19736683200. Its totient is φ = 1396528128.

The previous prime is 5555488979. The next prime is 5555489047. The reversal of 5555489040 is 409845555.

5555489040 is a `hidden beast` number, since 5 + 5 + 554 + 8 + 90 + 4 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (240).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (5555489047) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3104466 + ... + 3106254.

It is an arithmetic number, because the mean of its divisors is an integer number (82236180).

Almost surely, 2^5555489040 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 5555489040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9868341600).

5555489040 is an abundant number, since it is smaller than the sum of its proper divisors (14181194160).

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

5555489040 is a wasteful number, since it uses less digits than its factorization.

5555489040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2054 (or 2045 counting only the distinct ones).

The product of its (nonzero) digits is 720000, while the sum is 45.

The square root of 5555489040 is about 74535.1530487461. The cubic root of 5555489040 is about 1771.0905469436.

The spelling of 5555489040 in words is "five billion, five hundred fifty-five million, four hundred eighty-nine thousand, forty".