29972909580 has 24 divisors (see below), whose sum is σ = 83924146992. Its totient is φ = 7992775872.

The previous prime is 29972909573. The next prime is 29972909591. The reversal of 29972909580 is 8590927992.

It is a Harshad number since it is a multiple of its sum of digits (60), and also a Moran number because the ratio is a prime number: 499548493 = 29972909580 / (2 + 9 + 9 + 7 + 2 + 9 + 0 + 9 + 5 + 8 + 0).

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 7 ways as a sum of consecutive naturals, for example, 249774187 + ... + 249774306.

It is an arithmetic number, because the mean of its divisors is an integer number (3496839458).

Almost surely, 2^29972909580 is an apocalyptic number.

29972909580 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

29972909580 is an abundant number, since it is smaller than the sum of its proper divisors (53951237412).

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

29972909580 is a wasteful number, since it uses less digits than its factorization.

29972909580 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 499548505 (or 499548503 counting only the distinct ones).

The product of its (nonzero) digits is 7348320, while the sum is 60.

The spelling of 29972909580 in words is "twenty-nine billion, nine hundred seventy-two million, nine hundred nine thousand, five hundred eighty".