29519421444 has 36 divisors (see below), whose sum is σ = 74632265344. Its totient is φ = 9837996912.

The previous prime is 29519421409. The next prime is 29519421457. The reversal of 29519421444 is 44412491592.

It is a tau number, because it is divible by the number of its divisors (36).

It is a self number, because there is not a number n which added to its sum of digits gives 29519421444.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 130689 + ... + 275895.

Almost surely, 2^29519421444 is an apocalyptic number.

It is an amenable number.

29519421444 is an abundant number, since it is smaller than the sum of its proper divisors (45112843900).

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

29519421444 is a wasteful number, since it uses less digits than its factorization.

29519421444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 150864 (or 150859 counting only the distinct ones).

The product of its digits is 414720, while the sum is 45.

The spelling of 29519421444 in words is "twenty-nine billion, five hundred nineteen million, four hundred twenty-one thousand, four hundred forty-four".