29809190268 has 96 divisors (see below), whose sum is σ = 90794161920. Its totient is φ = 8338230720.

The previous prime is 29809190251. The next prime is 29809190291. The reversal of 29809190268 is 86209190892.

29809190268 is a `hidden beast` number, since 298 + 0 + 9 + 1 + 90 + 268 = 666.

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

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 949630 + ... + 980517.

It is an arithmetic number, because the mean of its divisors is an integer number (945772520).

Almost surely, 2^29809190268 is an apocalyptic number.

It is an amenable number.

29809190268 is an abundant number, since it is smaller than the sum of its proper divisors (60984971652).

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

29809190268 is a wasteful number, since it uses less digits than its factorization.

29809190268 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1930184 (or 1930176 counting only the distinct ones).

The product of its (nonzero) digits is 1119744, while the sum is 54.

The spelling of 29809190268 in words is "twenty-nine billion, eight hundred nine million, one hundred ninety thousand, two hundred sixty-eight".