42729747350 has 48 divisors (see below), whose sum is σ = 84290774688. Its totient is φ = 16060055040.

The previous prime is 42729747343. The next prime is 42729747371. The reversal of 42729747350 is 5374792724.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (50).

It is a congruent number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 480047 + ... + 562053.

It is an arithmetic number, because the mean of its divisors is an integer number (1756057806).

Almost surely, 2^42729747350 is an apocalyptic number.

42729747350 is a deficient number, since it is larger than the sum of its proper divisors (41561027338).

42729747350 is a wasteful number, since it uses less digits than its factorization.

42729747350 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82649 (or 82644 counting only the distinct ones).

The product of its (nonzero) digits is 2963520, while the sum is 50.

The spelling of 42729747350 in words is "forty-two billion, seven hundred twenty-nine million, seven hundred forty-seven thousand, three hundred fifty".