42729529752 has 512 divisors, whose sum is σ = 150098995200. Its totient is φ = 10964533248.

The previous prime is 42729529727. The next prime is 42729529753. The reversal of 42729529752 is 25792592724.

42729529752 is a `hidden beast` number, since 4 + 27 + 29 + 529 + 75 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42729529753) by changing a digit.

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 127 ways as a sum of consecutive naturals, for example, 139183983 + ... + 139184289.

It is an arithmetic number, because the mean of its divisors is an integer number (293162100).

Almost surely, 2^42729529752 is an apocalyptic number.

42729529752 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 42729529752, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (75049497600).

42729529752 is an abundant number, since it is smaller than the sum of its proper divisors (107369465448).

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

42729529752 is a wasteful number, since it uses less digits than its factorization.

42729529752 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 512 (or 502 counting only the distinct ones).

The product of its digits is 6350400, while the sum is 54.

The spelling of 42729529752 in words is "forty-two billion, seven hundred twenty-nine million, five hundred twenty-nine thousand, seven hundred fifty-two".