15432421335342 has 16 divisors (see below), whose sum is σ = 33670737459072. Its totient is φ = 4676491313720.

The previous prime is 15432421335329. The next prime is 15432421335371. The reversal of 15432421335342 is 24353312423451.

It is a junction number, because it is equal to n+sod(n) for n = 15432421335294 and 15432421335303.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 116912282778 + ... + 116912282909.

It is an arithmetic number, because the mean of its divisors is an integer number (2104421091192).

Almost surely, 2^{15432421335342} is an apocalyptic number.

15432421335342 is an abundant number, since it is smaller than the sum of its proper divisors (18238316123730).

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

15432421335342 is a wasteful number, since it uses less digits than its factorization.

15432421335342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 233824565703.

The product of its digits is 1036800, while the sum is 42.

Adding to 15432421335342 its reverse (24353312423451), we get a palindrome (39785733758793).

The spelling of 15432421335342 in words is "fifteen trillion, four hundred thirty-two billion, four hundred twenty-one million, three hundred thirty-five thousand, three hundred forty-two".