210106246040 has 128 divisors (see below), whose sum is σ = 495984384000. Its totient is φ = 80002391040.

The previous prime is 210106246037. The next prime is 210106246061. The reversal of 210106246040 is 40642601012.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 77844611 + ... + 77847309.

It is an arithmetic number, because the mean of its divisors is an integer number (3874878000).

Almost surely, 2^210106246040 is an apocalyptic number.

210106246040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 210106246040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (247992192000).

210106246040 is an abundant number, since it is smaller than the sum of its proper divisors (285878137960).

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

210106246040 is a wasteful number, since it uses less digits than its factorization.

210106246040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3745 (or 3741 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 26.

Adding to 210106246040 its reverse (40642601012), we get a palindrome (250748847052).

The spelling of 210106246040 in words is "two hundred ten billion, one hundred six million, two hundred forty-six thousand, forty".