210213102040040 has 32 divisors (see below), whose sum is σ = 515977614099360. Its totient is φ = 76441128014400.

The previous prime is 210213102039989. The next prime is 210213102040063. The reversal of 210213102040040 is 40040201312012.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 210213102039994 and 210213102040021.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 238878524606 + ... + 238878525485.

It is an arithmetic number, because the mean of its divisors is an integer number (16124300440605).

Almost surely, 2^{210213102040040} is an apocalyptic number.

210213102040040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

210213102040040 is an abundant number, since it is smaller than the sum of its proper divisors (305764512059320).

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

210213102040040 is a wasteful number, since it uses less digits than its factorization.

210213102040040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 477757050113 (or 477757050109 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 210213102040040 its reverse (40040201312012), we get a palindrome (250253303352052).

The spelling of 210213102040040 in words is "two hundred ten trillion, two hundred thirteen billion, one hundred two million, forty thousand, forty".