532869840 has 140 divisors (see below), whose sum is σ = 1857737124. Its totient is φ = 142083072.

The previous prime is 532869829. The next prime is 532869863. The reversal of 532869840 is 48968235.

It can be written as a sum of positive squares in 2 ways, for example, as 70963776 + 461906064 = 8424^2 + 21492^2 .

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 53752 + ... + 62888.

Almost surely, 2^532869840 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 532869840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (928868562).

532869840 is an abundant number, since it is smaller than the sum of its proper divisors (1324867284).

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

532869840 is an equidigital number, since it uses as much as digits as its factorization.

532869840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9168 (or 9147 counting only the distinct ones).

The product of its (nonzero) digits is 414720, while the sum is 45.

The square root of 532869840 is about 23083.9736613955. The cubic root of 532869840 is about 810.7252763176.

The spelling of 532869840 in words is "five hundred thirty-two million, eight hundred sixty-nine thousand, eight hundred forty".