8418549097400 has 192 divisors, whose sum is σ = 22053313497600. Its totient is φ = 2965387138560.

The previous prime is 8418549097391. The next prime is 8418549097447. The reversal of 8418549097400 is 47909458148.

It is a self number, because there is not a number n which added to its sum of digits gives 8418549097400.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 22478477 + ... + 22849923.

It is an arithmetic number, because the mean of its divisors is an integer number (114861007800).

Almost surely, 2^{8418549097400} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8418549097400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11026656748800).

8418549097400 is an abundant number, since it is smaller than the sum of its proper divisors (13634764400200).

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

8418549097400 is a wasteful number, since it uses less digits than its factorization.

8418549097400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 371878 (or 371869 counting only the distinct ones).

The product of its (nonzero) digits is 11612160, while the sum is 59.

The spelling of 8418549097400 in words is "eight trillion, four hundred eighteen billion, five hundred forty-nine million, ninety-seven thousand, four hundred".