200032040 has 64 divisors (see below), whose sum is σ = 486637200. Its totient is φ = 73562112.

The previous prime is 200032037. The next prime is 200032043. The reversal of 200032040 is 40230002.

It is an interprime number because it is at equal distance from previous prime (200032037) and next prime (200032043).

It can be written as a sum of positive squares in 8 ways, for example, as 46321636 + 153710404 = 6806^2 + 12398^2 .

It is not an unprimeable number, because it can be changed into a prime (200032043) 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, 162146 + ... + 163374.

Almost surely, 2^200032040 is an apocalyptic number.

200032040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 200032040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (243318600).

200032040 is an abundant number, since it is smaller than the sum of its proper divisors (286605160).

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

200032040 is a wasteful number, since it uses less digits than its factorization.

200032040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1566 (or 1562 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 11.

The square root of 200032040 is about 14143.2683634300. The cubic root of 200032040 is about 584.8347744846.

Adding to 200032040 its reverse (40230002), we get a palindrome (240262042).

The spelling of 200032040 in words is "two hundred million, thirty-two thousand, forty".