15542073342 has 16 divisors (see below), whose sum is σ = 34537940880. Its totient is φ = 5180691096.

The previous prime is 15542073331. The next prime is 15542073343. The reversal of 15542073342 is 24337024551.

15542073342 is a `hidden beast` number, since 1 + 5 + 542 + 0 + 73 + 3 + 42 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 15542073297 and 15542073306.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15542073343) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 143908033 + ... + 143908140.

It is an arithmetic number, because the mean of its divisors is an integer number (2158621305).

Almost surely, 2^15542073342 is an apocalyptic number.

15542073342 is an abundant number, since it is smaller than the sum of its proper divisors (18995867538).

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

15542073342 is a wasteful number, since it uses less digits than its factorization.

15542073342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 287816184 (or 287816178 counting only the distinct ones).

The product of its (nonzero) digits is 100800, while the sum is 36.

Adding to 15542073342 its reverse (24337024551), we get a palindrome (39879097893).

The spelling of 15542073342 in words is "fifteen billion, five hundred forty-two million, seventy-three thousand, three hundred forty-two".