201504445434 has 24 divisors (see below), whose sum is σ = 436651094100. Its totient is φ = 67159205568.

The previous prime is 201504445423. The next prime is 201504445459. The reversal of 201504445434 is 434544405102.

201504445434 is a `hidden beast` number, since 20 + 1 + 50 + 4 + 44 + 543 + 4 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 198740314809 + 2764130625 = 445803^2 + 52575^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 605587 + ... + 877350.

Almost surely, 2^201504445434 is an apocalyptic number.

201504445434 is an abundant number, since it is smaller than the sum of its proper divisors (235146648666).

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

201504445434 is a wasteful number, since it uses less digits than its factorization.

201504445434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1490494 (or 1490491 counting only the distinct ones).

The product of its (nonzero) digits is 153600, while the sum is 36.

The spelling of 201504445434 in words is "two hundred one billion, five hundred four million, four hundred forty-five thousand, four hundred thirty-four".