99573043240 has 128 divisors (see below), whose sum is σ = 246105889920. Its totient is φ = 35957376000.

The previous prime is 99573043217. The next prime is 99573043249. The reversal of 99573043240 is 4234037599.

It is a hoax number, since the sum of its digits (46) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (99573043249) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 91100134 + ... + 91101226.

It is an arithmetic number, because the mean of its divisors is an integer number (1922702265).

Almost surely, 2^99573043240 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 99573043240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (123052944960).

99573043240 is an abundant number, since it is smaller than the sum of its proper divisors (146532846680).

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

99573043240 is a wasteful number, since it uses less digits than its factorization.

99573043240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2363 (or 2359 counting only the distinct ones).

The product of its (nonzero) digits is 816480, while the sum is 46.

The spelling of 99573043240 in words is "ninety-nine billion, five hundred seventy-three million, forty-three thousand, two hundred forty".