533550440 has 64 divisors (see below), whose sum is σ = 1284368400. Its totient is φ = 198770688.

The previous prime is 533550427. The next prime is 533550443. The reversal of 533550440 is 44055335.

It can be written as a sum of positive squares in 8 ways, for example, as 122190916 + 411359524 = 11054^2 + 20282^2 .

It is not an unprimeable number, because it can be changed into a prime (533550443) 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 15 ways as a sum of consecutive naturals, for example, 61916 + ... + 70004.

Almost surely, 2^533550440 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 533550440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (642184200).

533550440 is an abundant number, since it is smaller than the sum of its proper divisors (750817960).

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

533550440 is a wasteful number, since it uses less digits than its factorization.

533550440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8214 (or 8210 counting only the distinct ones).

The product of its (nonzero) digits is 18000, while the sum is 29.

The square root of 533550440 is about 23098.7107865353. The cubic root of 533550440 is about 811.0702916983.

The spelling of 533550440 in words is "five hundred thirty-three million, five hundred fifty thousand, four hundred forty".