29985078244 has 81 divisors (see below), whose sum is σ = 61402923561. Its totient is φ = 12800135040.

The previous prime is 29985078241. The next prime is 29985078251. The reversal of 29985078244 is 44287058992.

It is a happy number.

The square root of 29985078244 is 173162.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 23344784100 + 6640294144 = 152790^2 + 81488^2 .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (29985078241) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 64762357 + ... + 64762819.

Almost surely, 2^29985078244 is an apocalyptic number.

29985078244 is the 173162-nd square number.

It is an amenable number.

29985078244 is an abundant number, since it is smaller than the sum of its proper divisors (31417845317).

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

29985078244 is a wasteful number, since it uses less digits than its factorization.

29985078244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 986 (or 493 counting only the distinct ones).

The product of its (nonzero) digits is 11612160, while the sum is 58.

The spelling of 29985078244 in words is "twenty-nine billion, nine hundred eighty-five million, seventy-eight thousand, two hundred forty-four".