200040828 has 48 divisors (see below), whose sum is σ = 510195840. Its totient is φ = 60629184.

The previous prime is 200040817. The next prime is 200040829. The reversal of 200040828 is 828040002.

It is a junction number, because it is equal to n+sod(n) for n = 200040798 and 200040807.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200040829) 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, 883 + ... + 20021.

It is an arithmetic number, because the mean of its divisors is an integer number (10629080).

Almost surely, 2^200040828 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 200040828, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (255097920).

200040828 is an abundant number, since it is smaller than the sum of its proper divisors (310155012).

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

200040828 is a wasteful number, since it uses less digits than its factorization.

200040828 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19226 (or 19224 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 24.

The square root of 200040828 is about 14143.5790378532. The cubic root of 200040828 is about 584.8433388671.

The spelling of 200040828 in words is "two hundred million, forty thousand, eight hundred twenty-eight".