7905423344 has 80 divisors (see below), whose sum is σ = 19160648640. Its totient is φ = 3076116480.

The previous prime is 7905423329. The next prime is 7905423353. The reversal of 7905423344 is 4433245097.

It is a congruent number.

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, 44312 + ... + 133320.

It is an arithmetic number, because the mean of its divisors is an integer number (239508108).

Almost surely, 2^7905423344 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 7905423344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9580324320).

7905423344 is an abundant number, since it is smaller than the sum of its proper divisors (11255225296).

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

7905423344 is a wasteful number, since it uses less digits than its factorization.

7905423344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89098 (or 89092 counting only the distinct ones).

The product of its (nonzero) digits is 362880, while the sum is 41.

The square root of 7905423344 is about 88912.4476324884. The cubic root of 7905423344 is about 1992.0873482555.

The spelling of 7905423344 in words is "seven billion, nine hundred five million, four hundred twenty-three thousand, three hundred forty-four".