15520032342 has 12 divisors (see below), whose sum is σ = 33626736780. Its totient is φ = 5173344108.

The previous prime is 15520032329. The next prime is 15520032361. The reversal of 15520032342 is 24323002551.

It is a happy number.

15520032342 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 431111992 + ... + 431112027.

It is an arithmetic number, because the mean of its divisors is an integer number (2802228065).

Almost surely, 2^15520032342 is an apocalyptic number.

15520032342 is an abundant number, since it is smaller than the sum of its proper divisors (18106704438).

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

15520032342 is a wasteful number, since it uses less digits than its factorization.

15520032342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 862224027 (or 862224024 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 27.

Adding to 15520032342 its reverse (24323002551), we get a palindrome (39843034893).

The spelling of 15520032342 in words is "fifteen billion, five hundred twenty million, thirty-two thousand, three hundred forty-two".