7799995440 has 200 divisors, whose sum is σ = 28025371440. Its totient is φ = 2008226304.

The previous prime is 7799995439. The next prime is 7799995507. The reversal of 7799995440 is 445999977.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 167167 + ... + 208673.

Almost surely, 2^7799995440 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 7799995440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14012685720).

7799995440 is an abundant number, since it is smaller than the sum of its proper divisors (20225376000).

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

7799995440 is a wasteful number, since it uses less digits than its factorization.

7799995440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41561 (or 41546 counting only the distinct ones).

The product of its (nonzero) digits is 25719120, while the sum is 63.

The square root of 7799995440 is about 88317.5828473583. The cubic root of 7799995440 is about 1983.1920962124.

The spelling of 7799995440 in words is "seven billion, seven hundred ninety-nine million, nine hundred ninety-five thousand, four hundred forty".