29217489048 has 128 divisors (see below), whose sum is σ = 89751225600. Its totient is φ = 8732448000.

The previous prime is 29217489011. The next prime is 29217489071. The reversal of 29217489048 is 84098471292.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a junction number, because it is equal to n+sod(n) for n = 29217488985 and 29217489003.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 89223 + ... + 257673.

It is an arithmetic number, because the mean of its divisors is an integer number (701181450).

Almost surely, 2^29217489048 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 29217489048, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (44875612800).

29217489048 is an abundant number, since it is smaller than the sum of its proper divisors (60533736552).

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

29217489048 is a wasteful number, since it uses less digits than its factorization.

29217489048 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 168550 (or 168540 counting only the distinct ones).

The product of its (nonzero) digits is 2322432, while the sum is 54.

The spelling of 29217489048 in words is "twenty-nine billion, two hundred seventeen million, four hundred eighty-nine thousand, forty-eight".