8125052944640 has 144 divisors (see below), whose sum is σ = 19943152459776. Its totient is φ = 3169730150400.

The previous prime is 8125052944639. The next prime is 8125052944663. The reversal of 8125052944640 is 464492505218.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 174367745 + ... + 174414335.

It is an arithmetic number, because the mean of its divisors is an integer number (138494114304).

Almost surely, 2^{8125052944640} is an apocalyptic number.

8125052944640 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 8125052944640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9971576229888).

8125052944640 is an abundant number, since it is smaller than the sum of its proper divisors (11818099515136).

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

8125052944640 is a wasteful number, since it uses less digits than its factorization.

8125052944640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49976 (or 49962 counting only the distinct ones).

The product of its (nonzero) digits is 2764800, while the sum is 50.

The spelling of 8125052944640 in words is "eight trillion, one hundred twenty-five billion, fifty-two million, nine hundred forty-four thousand, six hundred forty".