535323840 has 112 divisors (see below), whose sum is σ = 1705612032. Its totient is φ = 142253056.

The previous prime is 535323823. The next prime is 535323851. The reversal of 535323840 is 48323535.

It is a super-2 number, since 2×535323840² = 573143227344691200, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 332317 + ... + 333923.

Almost surely, 2^535323840 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 535323840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (852806016).

535323840 is an abundant number, since it is smaller than the sum of its proper divisors (1170288192).

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

535323840 is a wasteful number, since it uses less digits than its factorization.

535323840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1974 (or 1964 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 33.

The square root of 535323840 is about 23137.0663654665. The cubic root of 535323840 is about 811.9679021827.

The spelling of 535323840 in words is "five hundred thirty-five million, three hundred twenty-three thousand, eight hundred forty".