99648440052 has 96 divisors (see below), whose sum is σ = 269611491072. Its totient is φ = 28055725056.

The previous prime is 99648440029. The next prime is 99648440077. The reversal of 99648440052 is 25004484699.

It is a junction number, because it is equal to n+sod(n) for n = 99648439977 and 99648440004.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7431418 + ... + 7444814.

It is an arithmetic number, because the mean of its divisors is an integer number (2808453032).

Almost surely, 2^99648440052 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 99648440052, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (134805745536).

99648440052 is an abundant number, since it is smaller than the sum of its proper divisors (169963051020).

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

99648440052 is a wasteful number, since it uses less digits than its factorization.

99648440052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14697 (or 14695 counting only the distinct ones).

The product of its (nonzero) digits is 2488320, while the sum is 51.

The spelling of 99648440052 in words is "ninety-nine billion, six hundred forty-eight million, four hundred forty thousand, fifty-two".