29420802080 has 48 divisors (see below), whose sum is σ = 69518686104. Its totient is φ = 11766282240.

The previous prime is 29420802041. The next prime is 29420802127. The reversal of 29420802080 is 8020802492.

It can be written as a sum of positive squares in 4 ways, for example, as 28306043536 + 1114758544 = 168244^2 + 33388^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 29420802080.

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, 1199540 + ... + 1223820.

Almost surely, 2^29420802080 is an apocalyptic number.

29420802080 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

29420802080 is an abundant number, since it is smaller than the sum of its proper divisors (40097884024).

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

29420802080 is a wasteful number, since it uses less digits than its factorization.

29420802080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31869 (or 31861 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 35.

The spelling of 29420802080 in words is "twenty-nine billion, four hundred twenty million, eight hundred two thousand, eighty".