29435026728 has 32 divisors (see below), whose sum is σ = 74167004160. Its totient is φ = 9734417280.

The previous prime is 29435026723. The next prime is 29435026729. The reversal of 29435026728 is 82762053492.

It is not an unprimeable number, because it can be changed into a prime (29435026723) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4825533 + ... + 4831628.

It is an arithmetic number, because the mean of its divisors is an integer number (2317718880).

Almost surely, 2^29435026728 is an apocalyptic number.

It is an amenable number.

29435026728 is an abundant number, since it is smaller than the sum of its proper divisors (44731977432).

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

29435026728 is a wasteful number, since it uses less digits than its factorization.

29435026728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9657297 (or 9657293 counting only the distinct ones).

The product of its (nonzero) digits is 1451520, while the sum is 48.

The spelling of 29435026728 in words is "twenty-nine billion, four hundred thirty-five million, twenty-six thousand, seven hundred twenty-eight".