29444447420 has 24 divisors (see below), whose sum is σ = 61848030048. Its totient is φ = 11774980800.

The previous prime is 29444447419. The next prime is 29444447437. The reversal of 29444447420 is 2474444492.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 87536 + ... + 257975.

It is an arithmetic number, because the mean of its divisors is an integer number (2577001252).

Almost surely, 2^29444447420 is an apocalyptic number.

29444447420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

29444447420 is an abundant number, since it is smaller than the sum of its proper divisors (32403582628).

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

29444447420 is a wasteful number, since it uses less digits than its factorization.

29444447420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 349781 (or 349779 counting only the distinct ones).

The product of its (nonzero) digits is 1032192, while the sum is 44.

The spelling of 29444447420 in words is "twenty-nine billion, four hundred forty-four million, four hundred forty-seven thousand, four hundred twenty".