4021240100208 has 160 divisors (see below), whose sum is σ = 10951302643200. Its totient is φ = 1269014799360.

The previous prime is 4021240100173. The next prime is 4021240100221. The reversal of 4021240100208 is 8020010421204.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 46509178 + ... + 46595558.

It is an arithmetic number, because the mean of its divisors is an integer number (68445641520).

Almost surely, 2^{4021240100208} is an apocalyptic number.

4021240100208 is a gapful number since it is divisible by the number (48) 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 4021240100208, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5475651321600).

4021240100208 is an abundant number, since it is smaller than the sum of its proper divisors (6930062542992).

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

4021240100208 is a wasteful number, since it uses less digits than its factorization.

4021240100208 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86847 (or 86841 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 24.

The spelling of 4021240100208 in words is "four trillion, twenty-one billion, two hundred forty million, one hundred thousand, two hundred eight".