7791606240 has 144 divisors (see below), whose sum is σ = 26977832784. Its totient is φ = 1888860160.

The previous prime is 7791606211. The next prime is 7791606253. The reversal of 7791606240 is 426061977.

It is a junction number, because it is equal to n+sod(n) for n = 7791606192 and 7791606201.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8997 + ... + 125156.

It is an arithmetic number, because the mean of its divisors is an integer number (187346061).

Almost surely, 2^7791606240 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 7791606240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13488916392).

7791606240 is an abundant number, since it is smaller than the sum of its proper divisors (19186226544).

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

7791606240 is a wasteful number, since it uses less digits than its factorization.

7791606240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134193 (or 134174 counting only the distinct ones).

The product of its (nonzero) digits is 127008, while the sum is 42.

The square root of 7791606240 is about 88270.0755635793. The cubic root of 7791606240 is about 1982.4808409495.

The spelling of 7791606240 in words is "seven billion, seven hundred ninety-one million, six hundred six thousand, two hundred forty".