532040040 has 144 divisors (see below), whose sum is σ = 2011503780. Its totient is φ = 121605120.

The previous prime is 532040027. The next prime is 532040063. The reversal of 532040040 is 40040235.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 527804676 + 4235364 = 22974^2 + 2058^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 532039995 and 532040022.

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, 2560 + ... + 32720.

Almost surely, 2^532040040 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 532040040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1005751890).

532040040 is an abundant number, since it is smaller than the sum of its proper divisors (1479463740).

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

532040040 is a wasteful number, since it uses less digits than its factorization.

532040040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30192 (or 30178 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 18.

The square root of 532040040 is about 23065.9931500900. The cubic root of 532040040 is about 810.3042295695.

Adding to 532040040 its reverse (40040235), we get a palindrome (572080275).

The spelling of 532040040 in words is "five hundred thirty-two million, forty thousand, forty".