533440656 has 360 divisors, whose sum is σ = 1918537920. Its totient is φ = 137313792.

The previous prime is 533440643. The next prime is 533440673. The reversal of 533440656 is 656044335.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 533440656.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 3083386 + ... + 3083558.

It is an arithmetic number, because the mean of its divisors is an integer number (5329272).

Almost surely, 2^533440656 is an apocalyptic number.

533440656 is a gapful number since it is divisible by the number (56) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 533440656, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (959268960).

533440656 is an abundant number, since it is smaller than the sum of its proper divisors (1385097264).

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

533440656 is a wasteful number, since it uses less digits than its factorization.

533440656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 243 (or 227 counting only the distinct ones).

The product of its (nonzero) digits is 129600, while the sum is 36.

The square root of 533440656 is about 23096.3342545955. The cubic root of 533440656 is about 811.0146589396.

The spelling of 533440656 in words is "five hundred thirty-three million, four hundred forty thousand, six hundred fifty-six".