7660264240 has 80 divisors (see below), whose sum is σ = 18295757568. Its totient is φ = 2981115648.

The previous prime is 7660264229. The next prime is 7660264267. The reversal of 7660264240 is 424620667.

It is a tau number, because it is divible by the number of its divisors (80).

It is a self number, because there is not a number n which added to its sum of digits gives 7660264240.

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, 900487 + ... + 908953.

Almost surely, 2^7660264240 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 7660264240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9147878784).

7660264240 is an abundant number, since it is smaller than the sum of its proper divisors (10635493328).

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

7660264240 is a wasteful number, since it uses less digits than its factorization.

7660264240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8786 (or 8780 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 37.

The square root of 7660264240 is about 87522.9355083569. The cubic root of 7660264240 is about 1971.2781899674.

The spelling of 7660264240 in words is "seven billion, six hundred sixty million, two hundred sixty-four thousand, two hundred forty".