5510644920 has 192 divisors, whose sum is σ = 20190996000. Its totient is φ = 1335882240.

The previous prime is 5510644891. The next prime is 5510644933. The reversal of 5510644920 is 294460155.

5510644920 is a `hidden beast` number, since 5 + 5 + 1 + 0 + 644 + 9 + 2 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 109596 + ... + 151764.

Almost surely, 2^5510644920 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 5510644920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10095498000).

5510644920 is an abundant number, since it is smaller than the sum of its proper divisors (14680351080).

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

5510644920 is a wasteful number, since it uses less digits than its factorization.

5510644920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42211 (or 42190 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 36.

The square root of 5510644920 is about 74233.7182148382. The cubic root of 5510644920 is about 1766.3122299917.

The spelling of 5510644920 in words is "five billion, five hundred ten million, six hundred forty-four thousand, nine hundred twenty".