29090476728 has 144 divisors (see below), whose sum is σ = 85373430480. Its totient is φ = 9274839552.

The previous prime is 29090476703. The next prime is 29090476729. The reversal of 29090476728 is 82767409092.

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 (29090476729) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 1195176 + ... + 1219272.

It is an arithmetic number, because the mean of its divisors is an integer number (592871045).

Almost surely, 2^29090476728 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 29090476728, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (42686715240).

29090476728 is an abundant number, since it is smaller than the sum of its proper divisors (56282953752).

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

29090476728 is an equidigital number, since it uses as much as digits as its factorization.

29090476728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24150 (or 24125 counting only the distinct ones).

The product of its (nonzero) digits is 3048192, while the sum is 54.

The spelling of 29090476728 in words is "twenty-nine billion, ninety million, four hundred seventy-six thousand, seven hundred twenty-eight".