29144447552 has 56 divisors (see below), whose sum is σ = 63146769312. Its totient is φ = 13235788800.

The previous prime is 29144447513. The next prime is 29144447581. The reversal of 29144447552 is 25574444192.

It is a super-2 number, since 2×29144447552² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 29144447497 and 29144447506.

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, 806708 + ... + 842060.

Almost surely, 2^29144447552 is an apocalyptic number.

29144447552 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 29144447552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31573384656).

29144447552 is an abundant number, since it is smaller than the sum of its proper divisors (34002321760).

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

29144447552 is a wasteful number, since it uses less digits than its factorization.

29144447552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36547 (or 36537 counting only the distinct ones).

The product of its digits is 1612800, while the sum is 47.

The spelling of 29144447552 in words is "twenty-nine billion, one hundred forty-four million, four hundred forty-seven thousand, five hundred fifty-two".