15542634342 has 8 divisors (see below), whose sum is σ = 31085268696. Its totient is φ = 5180878112.

The previous prime is 15542634329. The next prime is 15542634343. The reversal of 15542634342 is 24343624551.

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

15542634342 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 15542634342.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15542634343) 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, 1295219523 + ... + 1295219534.

It is an arithmetic number, because the mean of its divisors is an integer number (3885658587).

Almost surely, 2^15542634342 is an apocalyptic number.

15542634342 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

15542634342 is a wasteful number, since it uses less digits than its factorization.

15542634342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2590439062.

The product of its digits is 345600, while the sum is 39.

The spelling of 15542634342 in words is "fifteen billion, five hundred forty-two million, six hundred thirty-four thousand, three hundred forty-two".