552326040 has 400 divisors, whose sum is σ = 2196208080. Its totient is φ = 124467840.

The previous prime is 552326023. The next prime is 552326053. The reversal of 552326040 is 40623255.

552326040 is a `hidden beast` number, since 5 + 52 + 3 + 2 + 604 + 0 = 666.

552326040 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 = 552325995 and 552326013.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 99 ways as a sum of consecutive naturals, for example, 7779205 + ... + 7779275.

Almost surely, 2^552326040 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 552326040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1098104040).

552326040 is an abundant number, since it is smaller than the sum of its proper divisors (1643882040).

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

552326040 is an equidigital number, since it uses as much as digits as its factorization.

552326040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122 (or 88 counting only the distinct ones).

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

The square root of 552326040 is about 23501.6178166525. The cubic root of 552326040 is about 820.4746607417.

Adding to 552326040 its reverse (40623255), we get a palindrome (592949295).

The spelling of 552326040 in words is "five hundred fifty-two million, three hundred twenty-six thousand, forty".