3851005713920 has 160 divisors (see below), whose sum is σ = 9967079833920. Its totient is φ = 1422619770880.

The previous prime is 3851005713917. The next prime is 3851005713923. The reversal of 3851005713920 is 293175001583.

It is an interprime number because it is at equal distance from previous prime (3851005713917) and next prime (3851005713923).

It is a tau number, because it is divible by the number of its divisors (160).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3851005713923) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 579860 + ... + 2835180.

It is an arithmetic number, because the mean of its divisors is an integer number (62294248962).

Almost surely, 2^{3851005713920} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3851005713920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4983539916960).

3851005713920 is an abundant number, since it is smaller than the sum of its proper divisors (6116074120000).

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

3851005713920 is a wasteful number, since it uses less digits than its factorization.

3851005713920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2255396 (or 2255380 counting only the distinct ones).

The product of its (nonzero) digits is 226800, while the sum is 44.

The spelling of 3851005713920 in words is "three trillion, eight hundred fifty-one billion, five million, seven hundred thirteen thousand, nine hundred twenty".