29669707980 has 288 divisors, whose sum is σ = 104308259328. Its totient is φ = 6746572800.

The previous prime is 29669707961. The next prime is 29669708011. The reversal of 29669707980 is 8970796692.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 11140129 + ... + 11142791.

It is an arithmetic number, because the mean of its divisors is an integer number (362181456).

Almost surely, 2^29669707980 is an apocalyptic number.

29669707980 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 29669707980, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (52154129664).

29669707980 is an abundant number, since it is smaller than the sum of its proper divisors (74638551348).

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

29669707980 is a wasteful number, since it uses less digits than its factorization.

29669707980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3037 (or 3032 counting only the distinct ones).

The product of its (nonzero) digits is 20575296, while the sum is 63.

The spelling of 29669707980 in words is "twenty-nine billion, six hundred sixty-nine million, seven hundred seven thousand, nine hundred eighty".