15435040206 has 32 divisors (see below), whose sum is σ = 31576112928. Its totient is φ = 5028416640.

The previous prime is 15435040193. The next prime is 15435040207. The reversal of 15435040206 is 60204053451.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15435040207) 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, 76845 + ... + 191768.

It is an arithmetic number, because the mean of its divisors is an integer number (986753529).

Almost surely, 2^15435040206 is an apocalyptic number.

15435040206 is an abundant number, since it is smaller than the sum of its proper divisors (16141072722).

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

15435040206 is a wasteful number, since it uses less digits than its factorization.

15435040206 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 268836.

The product of its (nonzero) digits is 14400, while the sum is 30.

Adding to 15435040206 its reverse (60204053451), we get a palindrome (75639093657).

The spelling of 15435040206 in words is "fifteen billion, four hundred thirty-five million, forty thousand, two hundred six".