29230685568 has 128 divisors (see below), whose sum is σ = 98595648000. Its totient is φ = 8351617536.

The previous prime is 29230685567. The next prime is 29230685569. The reversal of 29230685568 is 86558603292.

29230685568 is a `hidden beast` number, since 2 + 9 + 23 + 0 + 68 + 556 + 8 = 666.

It is an interprime number because it is at equal distance from previous prime (29230685567) and next prime (29230685569).

It is a tau number, because it is divible by the number of its divisors (128).

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29230685567) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 579948 + ... + 628331.

It is an arithmetic number, because the mean of its divisors is an integer number (770278500).

Almost surely, 2^29230685568 is an apocalyptic number.

29230685568 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

29230685568 is an abundant number, since it is smaller than the sum of its proper divisors (69364962432).

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

29230685568 is a wasteful number, since it uses less digits than its factorization.

29230685568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1208309 (or 1208291 counting only the distinct ones).

The product of its (nonzero) digits is 6220800, while the sum is 54.

The spelling of 29230685568 in words is "twenty-nine billion, two hundred thirty million, six hundred eighty-five thousand, five hundred sixty-eight".