29361208272 has 80 divisors (see below), whose sum is σ = 82857696768. Its totient is φ = 8885242240.

The previous prime is 29361208259. The next prime is 29361208277. The reversal of 29361208272 is 27280216392.

It is a super-2 number, since 2×29361208272² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29361208277) 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 15 ways as a sum of consecutive naturals, for example, 354883 + ... + 429725.

Almost surely, 2^29361208272 is an apocalyptic number.

29361208272 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 29361208272, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (41428848384).

29361208272 is an abundant number, since it is smaller than the sum of its proper divisors (53496488496).

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

29361208272 is a wasteful number, since it uses less digits than its factorization.

29361208272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75608 (or 75602 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 42.

The spelling of 29361208272 in words is "twenty-nine billion, three hundred sixty-one million, two hundred eight thousand, two hundred seventy-two".