5549199840 has 480 divisors, whose sum is σ = 21043139040. Its totient is φ = 1372225536.

The previous prime is 5549199827. The next prime is 5549199847. The reversal of 5549199840 is 489919455.

5549199840 is a `hidden beast` number, since 5 + 549 + 1 + 9 + 98 + 4 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (480).

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5549199847) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 19608339 + ... + 19608621.

It is an arithmetic number, because the mean of its divisors is an integer number (43839873).

Almost surely, 2^5549199840 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 5549199840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10521569520).

5549199840 is an abundant number, since it is smaller than the sum of its proper divisors (15493939200).

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

5549199840 is a wasteful number, since it uses less digits than its factorization.

5549199840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 416 (or 399 counting only the distinct ones).

The product of its (nonzero) digits is 2332800, while the sum is 54.

The square root of 5549199840 is about 74492.9516128875. The cubic root of 5549199840 is about 1770.4219620234.

The spelling of 5549199840 in words is "five billion, five hundred forty-nine million, one hundred ninety-nine thousand, eight hundred forty".