3081795944640 has 448 divisors, whose sum is σ = 11820030858240. Its totient is φ = 664560599040.

The previous prime is 3081795944639. The next prime is 3081795944651. The reversal of 3081795944640 is 464495971803.

It is a tau number, because it is divible by the number of its divisors (448).

It is a Harshad number since it is a multiple of its sum of digits (60).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 30720804 + ... + 30820956.

Almost surely, 2^{3081795944640} is an apocalyptic number.

3081795944640 is a gapful number since it is divisible by the number (30) 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 3081795944640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5910015429120).

3081795944640 is an abundant number, since it is smaller than the sum of its proper divisors (8738234913600).

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

3081795944640 is a wasteful number, since it uses less digits than its factorization.

3081795944640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100440 (or 100430 counting only the distinct ones).

The product of its (nonzero) digits is 26127360, while the sum is 60.

The spelling of 3081795944640 in words is "three trillion, eighty-one billion, seven hundred ninety-five million, nine hundred forty-four thousand, six hundred forty".