39555148642 has 8 divisors (see below), whose sum is σ = 59441193936. Its totient is φ = 19741417332.

The previous prime is 39555148637. The next prime is 39555148649. The reversal of 39555148642 is 24684155593.

It is a happy number.

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

It is a self number, because there is not a number n which added to its sum of digits gives 39555148642.

It is not an unprimeable number, because it can be changed into a prime (39555148649) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18077128 + ... + 18079315.

It is an arithmetic number, because the mean of its divisors is an integer number (7430149242).

Almost surely, 2^39555148642 is an apocalyptic number.

39555148642 is a deficient number, since it is larger than the sum of its proper divisors (19886045294).

39555148642 is a wasteful number, since it uses less digits than its factorization.

39555148642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36156992.

The product of its digits is 5184000, while the sum is 52.

The spelling of 39555148642 in words is "thirty-nine billion, five hundred fifty-five million, one hundred forty-eight thousand, six hundred forty-two".