210391274081296 has 240 divisors, whose sum is σ = 524151224396800. Its totient is φ = 80037646698240.

The previous prime is 210391274081291. The next prime is 210391274081309. The reversal of 210391274081296 is 692180472193012.

It is not an unprimeable number, because it can be changed into a prime (210391274081291) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1794185515 + ... + 1794302773.

Almost surely, 2^{210391274081296} 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 210391274081296, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (262075612198400).

210391274081296 is an abundant number, since it is smaller than the sum of its proper divisors (313759950315504).

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

210391274081296 is a wasteful number, since it uses less digits than its factorization.

210391274081296 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120418 (or 120401 counting only the distinct ones).

The product of its (nonzero) digits is 2612736, while the sum is 55.

The spelling of 210391274081296 in words is "two hundred ten trillion, three hundred ninety-one billion, two hundred seventy-four million, eighty-one thousand, two hundred ninety-six".