8375416620444 has 192 divisors, whose sum is σ = 23528534937600. Its totient is φ = 2567886100416.

The previous prime is 8375416620427. The next prime is 8375416620449. The reversal of 8375416620444 is 4440266145738.

8375416620444 is a `hidden beast` number, since 8 + 3 + 7 + 5 + 4 + 1 + 6 + 620 + 4 + 4 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8375416620449) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 14451219 + ... + 15019605.

It is an arithmetic number, because the mean of its divisors is an integer number (122544452800).

Almost surely, 2^{8375416620444} 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 8375416620444, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11764267468800).

8375416620444 is an abundant number, since it is smaller than the sum of its proper divisors (15153118317156).

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

8375416620444 is a wasteful number, since it uses less digits than its factorization.

8375416620444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 568629 (or 568621 counting only the distinct ones).

The product of its (nonzero) digits is 15482880, while the sum is 54.

The spelling of 8375416620444 in words is "eight trillion, three hundred seventy-five billion, four hundred sixteen million, six hundred twenty thousand, four hundred forty-four".