8465620740744 has 128 divisors (see below), whose sum is σ = 23133903713280. Its totient is φ = 2569981132800.

The previous prime is 8465620740743. The next prime is 8465620740749. The reversal of 8465620740744 is 4470470265648.

It is a super-2 number, since 2×8465620740744² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (8465620740743) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 194264142 + ... + 194307714.

It is an arithmetic number, because the mean of its divisors is an integer number (180733622760).

Almost surely, 2^{8465620740744} 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 8465620740744, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11566951856640).

8465620740744 is an abundant number, since it is smaller than the sum of its proper divisors (14668282972536).

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

8465620740744 is a wasteful number, since it uses less digits than its factorization.

8465620740744 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58991 (or 58987 counting only the distinct ones).

The product of its (nonzero) digits is 36126720, while the sum is 57.

The spelling of 8465620740744 in words is "eight trillion, four hundred sixty-five billion, six hundred twenty million, seven hundred forty thousand, seven hundred forty-four".