8361745426944 has 1920 divisors, whose sum is σ = 33095644243200. Its totient is φ = 2085841207296.

The previous prime is 8361745426877. The next prime is 8361745427029. The reversal of 8361745426944 is 4496245471638.

8361745426944 is a `hidden beast` number, since 8 + 3 + 617 + 4 + 5 + 4 + 2 + 6 + 9 + 4 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 13552261324 + ... + 13552261940.

It is an arithmetic number, because the mean of its divisors is an integer number (17237314710).

Almost surely, 2^{8361745426944} is an apocalyptic number.

8361745426944 is a gapful number since it is divisible by the number (84) 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 8361745426944, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16547822121600).

8361745426944 is an abundant number, since it is smaller than the sum of its proper divisors (24733898816256).

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

8361745426944 is an equidigital number, since it uses as much as digits as its factorization.

8361745426944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 702 (or 661 counting only the distinct ones).

The product of its digits is 139345920, while the sum is 63.

The spelling of 8361745426944 in words is "eight trillion, three hundred sixty-one billion, seven hundred forty-five million, four hundred twenty-six thousand, nine hundred forty-four".