5531423040 has 896 divisors, whose sum is σ = 23739287040. Its totient is φ = 1204346880.

The previous prime is 5531423011. The next prime is 5531423041. The reversal of 5531423040 is 403241355.

5531423040 is a `hidden beast` number, since 553 + 1 + 42 + 30 + 40 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 5531422995 and 5531423013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5531423041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 149497902 + ... + 149497938.

It is an arithmetic number, because the mean of its divisors is an integer number (26494740).

Almost surely, 2^5531423040 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 5531423040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11869643520).

5531423040 is an abundant number, since it is smaller than the sum of its proper divisors (18207864000).

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

5531423040 is a wasteful number, since it uses less digits than its factorization.

5531423040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109 (or 71 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 27.

The square root of 5531423040 is about 74373.5372293130. The cubic root of 5531423040 is about 1768.5294306565.

Adding to 5531423040 its reverse (403241355), we get a palindrome (5934664395).

The spelling of 5531423040 in words is "five billion, five hundred thirty-one million, four hundred twenty-three thousand, forty".