29238429056 has 32 divisors (see below), whose sum is σ = 59669137080. Its totient is φ = 14262645760.

The previous prime is 29238429037. The next prime is 29238429067. The reversal of 29238429056 is 65092483292.

It is a tau number, because it is divible by the number of its divisors (32).

It is a super-2 number, since 2×29238429056² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 29238428995 and 29238429013.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2780426 + ... + 2790921.

Almost surely, 2^29238429056 is an apocalyptic number.

It is an amenable number.

29238429056 is an abundant number, since it is smaller than the sum of its proper divisors (30430708024).

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

29238429056 is an equidigital number, since it uses as much as digits as its factorization.

29238429056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5571402 (or 5571390 counting only the distinct ones).

The product of its (nonzero) digits is 1866240, while the sum is 50.

The spelling of 29238429056 in words is "twenty-nine billion, two hundred thirty-eight million, four hundred twenty-nine thousand, fifty-six".