533920044 has 96 divisors (see below), whose sum is σ = 1483776000. Its totient is φ = 146200320.

The previous prime is 533920043. The next prime is 533920061. The reversal of 533920044 is 440029335.

It is a super-2 number, since 2×533920044² = 570141226769923872, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 533919993 and 533920020.

It is not an unprimeable number, because it can be changed into a prime (533920043) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 362229 + ... + 363699.

It is an arithmetic number, because the mean of its divisors is an integer number (15456000).

Almost surely, 2^533920044 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 533920044, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (741888000).

533920044 is an abundant number, since it is smaller than the sum of its proper divisors (949855956).

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

533920044 is a wasteful number, since it uses less digits than its factorization.

533920044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1663 (or 1661 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 30.

The square root of 533920044 is about 23106.7099345623. The cubic root of 533920044 is about 811.2575314966.

Adding to 533920044 its reverse (440029335), we get a palindrome (973949379).

The spelling of 533920044 in words is "five hundred thirty-three million, nine hundred twenty thousand, forty-four".