29745287328 has 48 divisors (see below), whose sum is σ = 82674406080. Its totient is φ = 9331854336.

The previous prime is 29745287309. The next prime is 29745287357. The reversal of 29745287328 is 82378254792.

It is a tau number, because it is divible by the number of its divisors (48).

It is a super-3 number, since 3×29745287328³ (a number of 32 digits) contains 333 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, 9111508 + ... + 9114771.

It is an arithmetic number, because the mean of its divisors is an integer number (1722383460).

Almost surely, 2^29745287328 is an apocalyptic number.

It is an amenable number.

29745287328 is an abundant number, since it is smaller than the sum of its proper divisors (52929118752).

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

29745287328 is a wasteful number, since it uses less digits than its factorization.

29745287328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18226309 (or 18226301 counting only the distinct ones).

The product of its digits is 13547520, while the sum is 57.

The spelling of 29745287328 in words is "twenty-nine billion, seven hundred forty-five million, two hundred eighty-seven thousand, three hundred twenty-eight".