296142121728 has 108 divisors (see below), whose sum is σ = 854035771680. Its totient is φ = 98692651008.

The previous prime is 296142121727. The next prime is 296142121757. The reversal of 296142121728 is 827121241692.

296142121728 is a `hidden beast` number, since 2 + 9 + 6 + 1 + 421 + 217 + 2 + 8 = 666.

It is not an unprimeable number, because it can be changed into a prime (296142121727) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13442050 + ... + 13464062.

Almost surely, 2^296142121728 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 296142121728, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (427017885840).

296142121728 is an abundant number, since it is smaller than the sum of its proper divisors (557893649952).

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

296142121728 is a wasteful number, since it uses less digits than its factorization.

296142121728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27874 (or 27857 counting only the distinct ones).

The product of its digits is 193536, while the sum is 45.

The spelling of 296142121728 in words is "two hundred ninety-six billion, one hundred forty-two million, one hundred twenty-one thousand, seven hundred twenty-eight".