210002100404240 has 80 divisors (see below), whose sum is σ = 489422129264640. Its totient is φ = 83800254451200.

The previous prime is 210002100404207. The next prime is 210002100404251. The reversal of 210002100404240 is 42404001200012.

210002100404240 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (80).

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

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 56465057 + ... + 60069183.

It is an arithmetic number, because the mean of its divisors is an integer number (6117776615808).

Almost surely, 2^{210002100404240} is an apocalyptic number.

210002100404240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

210002100404240 is an abundant number, since it is smaller than the sum of its proper divisors (279420028860400).

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

210002100404240 is a wasteful number, since it uses less digits than its factorization.

210002100404240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3605880 (or 3605874 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 20.

Adding to 210002100404240 its reverse (42404001200012), we get a palindrome (252406101604252).

The spelling of 210002100404240 in words is "two hundred ten trillion, two billion, one hundred million, four hundred four thousand, two hundred forty".