29808381088 has 48 divisors (see below), whose sum is σ = 59326430184. Its totient is φ = 14742138880.

The previous prime is 29808380977. The next prime is 29808381121. The reversal of 29808381088 is 88018380892.

It can be written as a sum of positive squares in 4 ways, for example, as 25310264464 + 4498116624 = 159092^2 + 67068^2 .

It is a Smith number, since the sum of its digits (55) coincides with the sum of the digits of its prime factors.

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, 1219806 + ... + 1244002.

Almost surely, 2^29808381088 is an apocalyptic number.

It is an amenable number.

29808381088 is a deficient number, since it is larger than the sum of its proper divisors (29518049096).

29808381088 is a wasteful number, since it uses less digits than its factorization.

29808381088 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24625 (or 24617 counting only the distinct ones).

The product of its (nonzero) digits is 1769472, while the sum is 55.

The spelling of 29808381088 in words is "twenty-nine billion, eight hundred eight million, three hundred eighty-one thousand, eighty-eight".