210422729440 has 96 divisors (see below), whose sum is σ = 619790621184. Its totient is φ = 65586301440.

The previous prime is 210422729431. The next prime is 210422729441. The reversal of 210422729440 is 44927224012.

It is a self number, because there is not a number n which added to its sum of digits gives 210422729440.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210422729441) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 8527564 + ... + 8552203.

It is an arithmetic number, because the mean of its divisors is an integer number (6456152304).

Almost surely, 2^210422729440 is an apocalyptic number.

210422729440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

210422729440 is an abundant number, since it is smaller than the sum of its proper divisors (409367891744).

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

210422729440 is a wasteful number, since it uses less digits than its factorization.

210422729440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17079800 (or 17079792 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 37.

The spelling of 210422729440 in words is "two hundred ten billion, four hundred twenty-two million, seven hundred twenty-nine thousand, four hundred forty".