29784462980 has 48 divisors (see below), whose sum is σ = 62774914944. Its totient is φ = 11870530560.

The previous prime is 29784462959. The next prime is 29784462989. The reversal of 29784462980 is 8926448792.

It is a super-2 number, since 2×29784462980² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (29784462989) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7037465 + ... + 7041695.

It is an arithmetic number, because the mean of its divisors is an integer number (1307810728).

Almost surely, 2^29784462980 is an apocalyptic number.

29784462980 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

29784462980 is an abundant number, since it is smaller than the sum of its proper divisors (32990451964).

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

29784462980 is a wasteful number, since it uses less digits than its factorization.

29784462980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5436 (or 5434 counting only the distinct ones).

The product of its (nonzero) digits is 13934592, while the sum is 59.

The spelling of 29784462980 in words is "twenty-nine billion, seven hundred eighty-four million, four hundred sixty-two thousand, nine hundred eighty".