533431404 has 108 divisors (see below), whose sum is σ = 1494478440. Its totient is φ = 160300800.

The previous prime is 533431391. The next prime is 533431411. The reversal of 533431404 is 404134335.

It is a super-2 number, since 2×533431404² = 569098125546822432, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 605044 + ... + 605924.

Almost surely, 2^533431404 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 533431404, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (747239220).

533431404 is an abundant number, since it is smaller than the sum of its proper divisors (961047036).

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

533431404 is a wasteful number, since it uses less digits than its factorization.

533431404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1052 (or 1036 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 27.

The square root of 533431404 is about 23096.1339622024. The cubic root of 533431404 is about 811.0099701637.

Adding to 533431404 its reverse (404134335), we get a palindrome (937565739).

The spelling of 533431404 in words is "five hundred thirty-three million, four hundred thirty-one thousand, four hundred four".