532718420 has 54 divisors (see below), whose sum is σ = 1214441802. Its totient is φ = 196200576.

The previous prime is 532718411. The next prime is 532718441. The reversal of 532718420 is 24817235.

It can be written as a sum of positive squares in 9 ways, for example, as 210946576 + 321771844 = 14524^2 + 17938^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 1341662 + ... + 1342058.

It is an arithmetic number, because the mean of its divisors is an integer number (22489663).

Almost surely, 2^532718420 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 532718420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (607220901).

532718420 is an abundant number, since it is smaller than the sum of its proper divisors (681723382).

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

532718420 is a wasteful number, since it uses less digits than its factorization.

532718420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 829 (or 417 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 32.

The square root of 532718420 is about 23080.6936637528. The cubic root of 532718420 is about 810.6484772936.

The spelling of 532718420 in words is "five hundred thirty-two million, seven hundred eighteen thousand, four hundred twenty".