29444640732 has 72 divisors (see below), whose sum is σ = 80175317040. Its totient is φ = 9057576960.

The previous prime is 29444640703. The next prime is 29444640749. The reversal of 29444640732 is 23704644492.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3167932 + ... + 3177212.

It is an arithmetic number, because the mean of its divisors is an integer number (1113546070).

Almost surely, 2^29444640732 is an apocalyptic number.

It is an amenable number.

29444640732 is an abundant number, since it is smaller than the sum of its proper divisors (50730676308).

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

29444640732 is a wasteful number, since it uses less digits than its factorization.

29444640732 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16083 (or 16078 counting only the distinct ones).

The product of its (nonzero) digits is 1161216, while the sum is 45.

The spelling of 29444640732 in words is "twenty-nine billion, four hundred forty-four million, six hundred forty thousand, seven hundred thirty-two".