5531009040 has 120 divisors (see below), whose sum is σ = 18622265688. Its totient is φ = 1471180800.

The previous prime is 5531008999. The next prime is 5531009059. The reversal of 5531009040 is 409001355.

5531009040 is a `hidden beast` number, since 5 + 531 + 0 + 0 + 90 + 40 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 681836544 + 4849172496 = 26112^2 + 69636^2 .

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

It is a super-2 number, since 2×5531009040² = 61184122001123443200, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 5531008995 and 5531009013.

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, 279142 + ... + 298298.

Almost surely, 2^5531009040 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 5531009040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9311132844).

5531009040 is an abundant number, since it is smaller than the sum of its proper divisors (13091256648).

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

5531009040 is a wasteful number, since it uses less digits than its factorization.

5531009040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19577 (or 19568 counting only the distinct ones).

The product of its (nonzero) digits is 2700, while the sum is 27.

The square root of 5531009040 is about 74370.7539292160. The cubic root of 5531009040 is about 1768.4853076255.

The spelling of 5531009040 in words is "five billion, five hundred thirty-one million, nine thousand, forty".