29285538912 has 72 divisors (see below), whose sum is σ = 95178008016. Its totient is φ = 8367296256.

The previous prime is 29285538889. The next prime is 29285538943. The reversal of 29285538912 is 21983558292.

It is a happy number.

29285538912 is a `hidden beast` number, since 2 + 9 + 2 + 8 + 553 + 89 + 1 + 2 = 666.

It is a tau number, because it is divible by the number of its divisors (72).

It is a super-2 number, since 2×29285538912² (a number of 22 digits) contains 22 as substring.

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 11 ways as a sum of consecutive naturals, for example, 7261263 + ... + 7265294.

It is an arithmetic number, because the mean of its divisors is an integer number (1321916778).

Almost surely, 2^29285538912 is an apocalyptic number.

It is an amenable number.

29285538912 is an abundant number, since it is smaller than the sum of its proper divisors (65892469104).

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

29285538912 is a wasteful number, since it uses less digits than its factorization.

29285538912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14526580 (or 14526569 counting only the distinct ones).

The product of its digits is 3110400, while the sum is 54.

The spelling of 29285538912 in words is "twenty-nine billion, two hundred eighty-five million, five hundred thirty-eight thousand, nine hundred twelve".