29438243884 has 24 divisors (see below), whose sum is σ = 58892468768. Its totient is φ = 12612965760.

The previous prime is 29438243869. The next prime is 29438243893. The reversal of 29438243884 is 48834283492.

It is a super-2 number, since 2×29438243884² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36297 + ... + 245344.

Almost surely, 2^29438243884 is an apocalyptic number.

It is an amenable number.

29438243884 is an abundant number, since it is smaller than the sum of its proper divisors (29454224884).

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

29438243884 is a wasteful number, since it uses less digits than its factorization.

29438243884 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 285385 (or 285383 counting only the distinct ones).

The product of its digits is 10616832, while the sum is 55.

The spelling of 29438243884 in words is "twenty-nine billion, four hundred thirty-eight million, two hundred forty-three thousand, eight hundred eighty-four".