8361051078240 has 576 divisors, whose sum is σ = 32826872332800. Its totient is φ = 1898300178432.

The previous prime is 8361051078223. The next prime is 8361051078251. The reversal of 8361051078240 is 428701501638.

8361051078240 is a `hidden beast` number, since 8 + 3 + 6 + 10 + 510 + 7 + 82 + 40 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 2080378951 + ... + 2080382969.

It is an arithmetic number, because the mean of its divisors is an integer number (56991097800).

Almost surely, 2^{8361051078240} is an apocalyptic number.

8361051078240 is a gapful number since it is divisible by the number (80) 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 8361051078240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16413436166400).

8361051078240 is an abundant number, since it is smaller than the sum of its proper divisors (24465821254560).

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

8361051078240 is a wasteful number, since it uses less digits than its factorization.

8361051078240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5379 (or 5368 counting only the distinct ones).

The product of its (nonzero) digits is 322560, while the sum is 45.

Adding to 8361051078240 its reverse (428701501638), we get a palindrome (8789752579878).

The spelling of 8361051078240 in words is "eight trillion, three hundred sixty-one billion, fifty-one million, seventy-eight thousand, two hundred forty".