10001995843840 has 1296 divisors, whose sum is σ = 33265820871360. Its totient is φ = 2847673221120.

The previous prime is 10001995843817. The next prime is 10001995843901. The reversal of 10001995843840 is 4834859910001.

It is a hoax number, since the sum of its digits (52) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (52).

It is an unprimeable number.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 12709015927 + ... + 12709016713.

It is an arithmetic number, because the mean of its divisors is an integer number (25668071660).

Almost surely, 2^{10001995843840} is an apocalyptic number.

10001995843840 is a gapful number since it is divisible by the number (10) 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 10001995843840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16632910435680).

10001995843840 is an abundant number, since it is smaller than the sum of its proper divisors (23263825027520).

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

10001995843840 is a wasteful number, since it uses less digits than its factorization.

10001995843840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 968 (or 934 counting only the distinct ones).

The product of its (nonzero) digits is 1244160, while the sum is 52.

The spelling of 10001995843840 in words is "ten trillion, one billion, nine hundred ninety-five million, eight hundred forty-three thousand, eight hundred forty".