29839490978160 has 80 divisors (see below), whose sum is σ = 92508147983520. Its totient is φ = 7956705039360.

The previous prime is 29839490978159. The next prime is 29839490978177. The reversal of 29839490978160 is 6187909493892.

It is a tau number, because it is divible by the number of its divisors (80).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 45370 + ... + 7725350.

It is an arithmetic number, because the mean of its divisors is an integer number (1156351849794).

Almost surely, 2^{29839490978160} is an apocalyptic number.

29839490978160 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

29839490978160 is an abundant number, since it is smaller than the sum of its proper divisors (62668657005360).

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

29839490978160 is a wasteful number, since it uses less digits than its factorization.

29839490978160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7696186 (or 7696180 counting only the distinct ones).

The product of its (nonzero) digits is 423263232, while the sum is 75.

The spelling of 29839490978160 in words is "twenty-nine trillion, eight hundred thirty-nine billion, four hundred ninety million, nine hundred seventy-eight thousand, one hundred sixty".