29688140752 has 40 divisors (see below), whose sum is σ = 58537385312. Its totient is φ = 14582332800.

The previous prime is 29688140749. The next prime is 29688140759. The reversal of 29688140752 is 25704188692.

It is a self number, because there is not a number n which added to its sum of digits gives 29688140752.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29688140759) 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 7 ways as a sum of consecutive naturals, for example, 772783 + ... + 810289.

Almost surely, 2^29688140752 is an apocalyptic number.

It is an amenable number.

29688140752 is a deficient number, since it is larger than the sum of its proper divisors (28849244560).

29688140752 is a wasteful number, since it uses less digits than its factorization.

29688140752 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38387 (or 38381 counting only the distinct ones).

The product of its (nonzero) digits is 1935360, while the sum is 52.

The spelling of 29688140752 in words is "twenty-nine billion, six hundred eighty-eight million, one hundred forty thousand, seven hundred fifty-two".