5510899440 has 120 divisors (see below), whose sum is σ = 18533718528. Its totient is φ = 1467486720.

The previous prime is 5510899423. The next prime is 5510899453. The reversal of 5510899440 is 449980155.

5510899440 is a `hidden beast` number, since 5 + 510 + 8 + 9 + 94 + 40 = 666.

It is a tau number, because it is divible by the number of its divisors (120).

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 539985 + ... + 550095.

Almost surely, 2^5510899440 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 5510899440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9266859264).

5510899440 is an abundant number, since it is smaller than the sum of its proper divisors (13022819088).

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

5510899440 is a wasteful number, since it uses less digits than its factorization.

5510899440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10887 (or 10878 counting only the distinct ones).

The product of its (nonzero) digits is 259200, while the sum is 45.

The square root of 5510899440 is about 74235.4325103586. The cubic root of 5510899440 is about 1766.3394231107.

The spelling of 5510899440 in words is "five billion, five hundred ten million, eight hundred ninety-nine thousand, four hundred forty".