2861108291040 has 192 divisors, whose sum is σ = 9318572605440. Its totient is φ = 737131806720.

The previous prime is 2861108291039. The next prime is 2861108291089. The reversal of 2861108291040 is 401928011682.

It is a junction number, because it is equal to n+sod(n) for n = 2861108290983 and 2861108291001.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8873776 + ... + 9190544.

It is an arithmetic number, because the mean of its divisors is an integer number (48534232320).

Almost surely, 2^{2861108291040} is an apocalyptic number.

2861108291040 is a gapful number since it is divisible by the number (20) 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 2861108291040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4659286302720).

2861108291040 is an abundant number, since it is smaller than the sum of its proper divisors (6457464314400).

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

2861108291040 is a wasteful number, since it uses less digits than its factorization.

2861108291040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 317425 (or 317417 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 42.

The spelling of 2861108291040 in words is "two trillion, eight hundred sixty-one billion, one hundred eight million, two hundred ninety-one thousand, forty".