5550205440 has 320 divisors, whose sum is σ = 19947223296. Its totient is φ = 1306263552.

The previous prime is 5550205391. The next prime is 5550205457. The reversal of 5550205440 is 445020555.

It is a tau number, because it is divible by the number of its divisors (320).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 5550205398 and 5550205407.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2295112 + ... + 2297528.

Almost surely, 2^5550205440 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 5550205440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9973611648).

5550205440 is an abundant number, since it is smaller than the sum of its proper divisors (14397017856).

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

5550205440 is a wasteful number, since it uses less digits than its factorization.

5550205440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2479 (or 2463 counting only the distinct ones).

The product of its (nonzero) digits is 20000, while the sum is 30.

The square root of 5550205440 is about 74499.7009389971. The cubic root of 5550205440 is about 1770.5288980890.

Adding to 5550205440 its reverse (445020555), we get a palindrome (5995225995).

The spelling of 5550205440 in words is "five billion, five hundred fifty million, two hundred five thousand, four hundred forty".