201044402430 has 128 divisors (see below), whose sum is σ = 498288412800. Its totient is φ = 51894779904.

The previous prime is 201044402353. The next prime is 201044402453. The reversal of 201044402430 is 34204440102.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 201044402430.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 26698906 + ... + 26706434.

It is an arithmetic number, because the mean of its divisors is an integer number (3892878225).

Almost surely, 2^201044402430 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 201044402430, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (249144206400).

201044402430 is an abundant number, since it is smaller than the sum of its proper divisors (297244010370).

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

201044402430 is a wasteful number, since it uses less digits than its factorization.

201044402430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7838.

The product of its (nonzero) digits is 3072, while the sum is 24.

Adding to 201044402430 its reverse (34204440102), we get a palindrome (235248842532).

The spelling of 201044402430 in words is "two hundred one billion, forty-four million, four hundred two thousand, four hundred thirty".