29688550813080 has 160 divisors (see below), whose sum is σ = 99789313789440. Its totient is φ = 7916725071360.

The previous prime is 29688550813063. The next prime is 29688550813147. The reversal of 29688550813080 is 8031805588692.

29688550813080 is a `hidden beast` number, since 2 + 9 + 68 + 8 + 550 + 8 + 13 + 0 + 8 + 0 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 29688550812999 and 29688550813017.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 138697897 + ... + 138911783.

It is an arithmetic number, because the mean of its divisors is an integer number (623683211184).

Almost surely, 2^{29688550813080} is an apocalyptic number.

29688550813080 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

29688550813080 is an abundant number, since it is smaller than the sum of its proper divisors (70100762976360).

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

29688550813080 is a wasteful number, since it uses less digits than its factorization.

29688550813080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 256751 (or 256738 counting only the distinct ones).

The product of its (nonzero) digits is 33177600, while the sum is 63.

The spelling of 29688550813080 in words is "twenty-nine trillion, six hundred eighty-eight billion, five hundred fifty million, eight hundred thirteen thousand, eighty".