200246640 has 160 divisors (see below), whose sum is σ = 684813312. Its totient is φ = 48000000.

The previous prime is 200246633. The next prime is 200246677. The reversal of 200246640 is 46642002.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 200246640.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 266265 + ... + 267015.

Almost surely, 2^200246640 is an apocalyptic number.

200246640 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 200246640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (342406656).

200246640 is an abundant number, since it is smaller than the sum of its proper divisors (484566672).

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

200246640 is a wasteful number, since it uses less digits than its factorization.

200246640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 879 (or 873 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 24.

The square root of 200246640 is about 14150.8529778243. The cubic root of 200246640 is about 585.0438421376.

Adding to 200246640 its reverse (46642002), we get a palindrome (246888642).

The spelling of 200246640 in words is "two hundred million, two hundred forty-six thousand, six hundred forty".