29130246728 has 32 divisors (see below), whose sum is σ = 59624933760. Its totient is φ = 13232057280.

The previous prime is 29130246689. The next prime is 29130246731. The reversal of 29130246728 is 82764203192.

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19550 + ... + 242162.

It is an arithmetic number, because the mean of its divisors is an integer number (1863279180).

Almost surely, 2^29130246728 is an apocalyptic number.

It is an amenable number.

29130246728 is an abundant number, since it is smaller than the sum of its proper divisors (30494687032).

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

29130246728 is a wasteful number, since it uses less digits than its factorization.

29130246728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 224117 (or 224113 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 44.

The spelling of 29130246728 in words is "twenty-nine billion, one hundred thirty million, two hundred forty-six thousand, seven hundred twenty-eight".