15342405406 has 8 divisors (see below), whose sum is σ = 23038652880. Its totient is φ = 7662854448.

The previous prime is 15342405389. The next prime is 15342405409. The reversal of 15342405406 is 60450424351.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15342405409) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4171831 + ... + 4175506.

It is an arithmetic number, because the mean of its divisors is an integer number (2879831610).

Almost surely, 2^15342405406 is an apocalyptic number.

15342405406 is a deficient number, since it is larger than the sum of its proper divisors (7696247474).

15342405406 is an equidigital number, since it uses as much as digits as its factorization.

15342405406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8348258.

The product of its (nonzero) digits is 57600, while the sum is 34.

Adding to 15342405406 its reverse (60450424351), we get a palindrome (75792829757).

The spelling of 15342405406 in words is "fifteen billion, three hundred forty-two million, four hundred five thousand, four hundred six".