200433121040 has 80 divisors (see below), whose sum is σ = 478661738688. Its totient is φ = 78024933888.

The previous prime is 200433121033. The next prime is 200433121043. The reversal of 200433121040 is 40121334002.

It is a tau number, because it is divible by the number of its divisors (80).

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

It is not an unprimeable number, because it can be changed into a prime (200433121043) 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, 219614 + ... + 670146.

Almost surely, 2^200433121040 is an apocalyptic number.

200433121040 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 200433121040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (239330869344).

200433121040 is an abundant number, since it is smaller than the sum of its proper divisors (278228617648).

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

200433121040 is a wasteful number, since it uses less digits than its factorization.

200433121040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 450696 (or 450690 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 200433121040 its reverse (40121334002), we get a palindrome (240554455042).

The spelling of 200433121040 in words is "two hundred billion, four hundred thirty-three million, one hundred twenty-one thousand, forty".