15342402534 has 16 divisors (see below), whose sum is σ = 30856230720. Its totient is φ = 5085563240.

The previous prime is 15342402503. The next prime is 15342402553. The reversal of 15342402534 is 43520424351.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 15342402495 and 15342402504.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7141572 + ... + 7143719.

It is an arithmetic number, because the mean of its divisors is an integer number (1928514420).

Almost surely, 2^15342402534 is an apocalyptic number.

15342402534 is an abundant number, since it is smaller than the sum of its proper divisors (15513828186).

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

15342402534 is a wasteful number, since it uses less digits than its factorization.

15342402534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14285475.

The product of its (nonzero) digits is 57600, while the sum is 33.

Adding to 15342402534 its reverse (43520424351), we get a palindrome (58862826885).

The spelling of 15342402534 in words is "fifteen billion, three hundred forty-two million, four hundred two thousand, five hundred thirty-four".