29420306844 has 24 divisors (see below), whose sum is σ = 68810452368. Its totient is φ = 9783473280.

The previous prime is 29420306843. The next prime is 29420306887. The reversal of 29420306844 is 44860302492.

It is a super-2 number, since 2×29420306844² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 29420306796 and 29420306805.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29420306843) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2906697 + ... + 2916800.

It is an arithmetic number, because the mean of its divisors is an integer number (2867102182).

Almost surely, 2^29420306844 is an apocalyptic number.

It is an amenable number.

29420306844 is an abundant number, since it is smaller than the sum of its proper divisors (39390145524).

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

29420306844 is a wasteful number, since it uses less digits than its factorization.

29420306844 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5823925 (or 5823923 counting only the distinct ones).

The product of its (nonzero) digits is 331776, while the sum is 42.

The spelling of 29420306844 in words is "twenty-nine billion, four hundred twenty million, three hundred six thousand, eight hundred forty-four".