532420040 has 64 divisors (see below), whose sum is σ = 1245888000. Its totient is φ = 204549120.

The previous prime is 532420037. The next prime is 532420043. The reversal of 532420040 is 40024235.

It is an interprime number because it is at equal distance from previous prime (532420037) and next prime (532420043).

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 532419994 and 532420021.

It is not an unprimeable number, because it can be changed into a prime (532420043) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 170816 + ... + 173904.

It is an arithmetic number, because the mean of its divisors is an integer number (19467000).

Almost surely, 2^532420040 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 532420040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (622944000).

532420040 is an abundant number, since it is smaller than the sum of its proper divisors (713467960).

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

532420040 is a wasteful number, since it uses less digits than its factorization.

532420040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3270 (or 3266 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 20.

The square root of 532420040 is about 23074.2289145271. The cubic root of 532420040 is about 810.4970987181.

Adding to 532420040 its reverse (40024235), we get a palindrome (572444275).

The spelling of 532420040 in words is "five hundred thirty-two million, four hundred twenty thousand, forty".