29420072268 has 24 divisors (see below), whose sum is σ = 68658735600. Its totient is φ = 9804990720.

The previous prime is 29420072257. The next prime is 29420072291. The reversal of 29420072268 is 86227002492.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 139393 + ... + 279768.

It is an arithmetic number, because the mean of its divisors is an integer number (2860780650).

Almost surely, 2^29420072268 is an apocalyptic number.

It is an amenable number.

29420072268 is an abundant number, since it is smaller than the sum of its proper divisors (39238663332).

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

29420072268 is a wasteful number, since it uses less digits than its factorization.

29420072268 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 425017 (or 425015 counting only the distinct ones).

The product of its (nonzero) digits is 193536, while the sum is 42.

The spelling of 29420072268 in words is "twenty-nine billion, four hundred twenty million, seventy-two thousand, two hundred sixty-eight".