5551000323240 has 256 divisors, whose sum is σ = 16887959827200. Its totient is φ = 1459519488000.

The previous prime is 5551000323233. The next prime is 5551000323247. The reversal of 5551000323240 is 423230001555.

It is an interprime number because it is at equal distance from previous prime (5551000323233) and next prime (5551000323247).

It is a super-3 number, since 3×5551000323240³ (a number of 39 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

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 = 5551000323198 and 5551000323207.

It is not an unprimeable number, because it can be changed into a prime (5551000323247) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 4576256874 + ... + 4576258086.

It is an arithmetic number, because the mean of its divisors is an integer number (65968593075).

Almost surely, 2^{5551000323240} 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 5551000323240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8443979913600).

5551000323240 is an abundant number, since it is smaller than the sum of its proper divisors (11336959503960).

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

5551000323240 is a wasteful number, since it uses less digits than its factorization.

5551000323240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2588 (or 2584 counting only the distinct ones).

The product of its (nonzero) digits is 18000, while the sum is 30.

Adding to 5551000323240 its reverse (423230001555), we get a palindrome (5974230324795).

The spelling of 5551000323240 in words is "five trillion, five hundred fifty-one billion, three hundred twenty-three thousand, two hundred forty".