99560828640 has 768 divisors, whose sum is σ = 406799511552. Its totient is φ = 19892404224.

The previous prime is 99560828621. The next prime is 99560828651. The reversal of 99560828640 is 4682806599.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 113523882 + ... + 113524758.

It is an arithmetic number, because the mean of its divisors is an integer number (529686864).

Almost surely, 2^99560828640 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 99560828640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (203399755776).

99560828640 is an abundant number, since it is smaller than the sum of its proper divisors (307238682912).

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

99560828640 is a wasteful number, since it uses less digits than its factorization.

99560828640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1051 (or 1043 counting only the distinct ones).

The product of its (nonzero) digits is 7464960, while the sum is 57.

The spelling of 99560828640 in words is "ninety-nine billion, five hundred sixty million, eight hundred twenty-eight thousand, six hundred forty".