3844345511680 has 72 divisors (see below), whose sum is σ = 9247930643952. Its totient is φ = 1531138351104.

The previous prime is 3844345511597. The next prime is 3844345511687. The reversal of 3844345511680 is 861155434483.

It is a super-2 number, since 2×3844345511680² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3844345511687) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6146814 + ... + 6743293.

It is an arithmetic number, because the mean of its divisors is an integer number (128443481166).

Almost surely, 2^{3844345511680} is an apocalyptic number.

It is an amenable number.

3844345511680 is an abundant number, since it is smaller than the sum of its proper divisors (5403585132272).

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

3844345511680 is a wasteful number, since it uses less digits than its factorization.

3844345511680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12890361 (or 12890347 counting only the distinct ones).

The product of its (nonzero) digits is 5529600, while the sum is 52.

The spelling of 3844345511680 in words is "three trillion, eight hundred forty-four billion, three hundred forty-five million, five hundred eleven thousand, six hundred eighty".