29728026312 has 16 divisors (see below), whose sum is σ = 74320065840. Its totient is φ = 9909342096.

The previous prime is 29728026287. The next prime is 29728026319. The reversal of 29728026312 is 21362082792.

It is not an unprimeable number, because it can be changed into a prime (29728026319) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 619333858 + ... + 619333905.

It is an arithmetic number, because the mean of its divisors is an integer number (4645004115).

Almost surely, 2^29728026312 is an apocalyptic number.

It is an amenable number.

29728026312 is an abundant number, since it is smaller than the sum of its proper divisors (44592039528).

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

29728026312 is a wasteful number, since it uses less digits than its factorization.

29728026312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1238667772 (or 1238667768 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 42.

The spelling of 29728026312 in words is "twenty-nine billion, seven hundred twenty-eight million, twenty-six thousand, three hundred twelve".