99010496640 has 256 divisors, whose sum is σ = 344615731200. Its totient is φ = 23979601920.

The previous prime is 99010496639. The next prime is 99010496657. The reversal of 99010496640 is 4669401099.

It is a hoax number, since the sum of its digits (48) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a self number, because there is not a number n which added to its sum of digits gives 99010496640.

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, 35121151 + ... + 35123969.

It is an arithmetic number, because the mean of its divisors is an integer number (1346155200).

Almost surely, 2^99010496640 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 99010496640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (172307865600).

99010496640 is an abundant number, since it is smaller than the sum of its proper divisors (245605234560).

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

99010496640 is a wasteful number, since it uses less digits than its factorization.

99010496640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4515 (or 4503 counting only the distinct ones).

The product of its (nonzero) digits is 419904, while the sum is 48.

The spelling of 99010496640 in words is "ninety-nine billion, ten million, four hundred ninety-six thousand, six hundred forty".