7945052544 has 384 divisors, whose sum is σ = 28449701280. Its totient is φ = 2090926080.

The previous prime is 7945052539. The next prime is 7945052567. The reversal of 7945052544 is 4452505497.

7945052544 is a `hidden beast` number, since 7 + 9 + 4 + 50 + 52 + 544 = 666.

It is a tau number, because it is divible by the number of its divisors (384).

It is a self number, because there is not a number n which added to its sum of digits gives 7945052544.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2799094 + ... + 2801930.

Almost surely, 2^7945052544 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 7945052544, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14224850640).

7945052544 is an abundant number, since it is smaller than the sum of its proper divisors (20504648736).

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

7945052544 is a wasteful number, since it uses less digits than its factorization.

7945052544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2898 (or 2883 counting only the distinct ones).

The product of its (nonzero) digits is 1008000, while the sum is 45.

The square root of 7945052544 is about 89135.0242272924. The cubic root of 7945052544 is about 1995.4105217338.

The spelling of 7945052544 in words is "seven billion, nine hundred forty-five million, fifty-two thousand, five hundred forty-four".