29444640740 has 48 divisors (see below), whose sum is σ = 62706979440. Its totient is φ = 11612282880.

The previous prime is 29444640703. The next prime is 29444640749. The reversal of 29444640740 is 4704644492.

It can be written as a sum of positive squares in 8 ways, for example, as 3283519204 + 26161121536 = 57302^2 + 161744^2 .

It is a junction number, because it is equal to n+sod(n) for n = 29444640691 and 29444640700.

It is not an unprimeable number, because it can be changed into a prime (29444640749) 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, 604910 + ... + 651770.

It is an arithmetic number, because the mean of its divisors is an integer number (1306395405).

Almost surely, 2^29444640740 is an apocalyptic number.

29444640740 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

29444640740 is an abundant number, since it is smaller than the sum of its proper divisors (33262338700).

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

29444640740 is a wasteful number, since it uses less digits than its factorization.

29444640740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47312 (or 47310 counting only the distinct ones).

The product of its (nonzero) digits is 774144, while the sum is 44.

The spelling of 29444640740 in words is "twenty-nine billion, four hundred forty-four million, six hundred forty thousand, seven hundred forty".