7944027264 has 128 divisors (see below), whose sum is σ = 24202560000. Its totient is φ = 2562554880.

The previous prime is 7944027263. The next prime is 7944027307. The reversal of 7944027264 is 4627204497.

It is a tau number, because it is divible by the number of its divisors (128).

It is not an unprimeable number, because it can be changed into a prime (7944027263) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 70062 + ... + 144210.

It is an arithmetic number, because the mean of its divisors is an integer number (189082500).

Almost surely, 2^7944027264 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 7944027264, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12101280000).

7944027264 is an abundant number, since it is smaller than the sum of its proper divisors (16258532736).

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

7944027264 is a wasteful number, since it uses less digits than its factorization.

7944027264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74203 (or 74185 counting only the distinct ones).

The product of its (nonzero) digits is 677376, while the sum is 45.

The square root of 7944027264 is about 89129.2727671442. The cubic root of 7944027264 is about 1995.3246845624.

The spelling of 7944027264 in words is "seven billion, nine hundred forty-four million, twenty-seven thousand, two hundred sixty-four".