201004441434 has 20 divisors (see below), whose sum is σ = 450398841354. Its totient is φ = 67001480424.

The previous prime is 201004441433. The next prime is 201004441499. The reversal of 201004441434 is 434144400102.

201004441434 is a `hidden beast` number, since 201 + 0 + 0 + 44 + 414 + 3 + 4 = 666.

It can be written as a sum of positive squares in only one way, i.e., 125530615809 + 75473825625 = 354303^2 + 274725^2 .

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 201004441398 and 201004441407.

It is not an unprimeable number, because it can be changed into a prime (201004441433) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 620383917 + ... + 620384240.

Almost surely, 2^201004441434 is an apocalyptic number.

201004441434 is an abundant number, since it is smaller than the sum of its proper divisors (249394399920).

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

201004441434 is a wasteful number, since it uses less digits than its factorization.

201004441434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1240768171 (or 1240768162 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 27.

Adding to 201004441434 its reverse (434144400102), we get a palindrome (635148841536).

The spelling of 201004441434 in words is "two hundred one billion, four million, four hundred forty-one thousand, four hundred thirty-four".