99205415940 has 48 divisors (see below), whose sum is σ = 280371212352. Its totient is φ = 26207534976.

The previous prime is 99205415929. The next prime is 99205415987. The reversal of 99205415940 is 4951450299.

It is a self number, because there is not a number n which added to its sum of digits gives 99205415940.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 7719859 + ... + 7732698.

It is an arithmetic number, because the mean of its divisors is an integer number (5841066924).

Almost surely, 2^99205415940 is an apocalyptic number.

It is an amenable number.

99205415940 is an abundant number, since it is smaller than the sum of its proper divisors (181165796412).

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

99205415940 is a wasteful number, since it uses less digits than its factorization.

99205415940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15452676 (or 15452674 counting only the distinct ones).

The product of its (nonzero) digits is 583200, while the sum is 48.

The spelling of 99205415940 in words is "ninety-nine billion, two hundred five million, four hundred fifteen thousand, nine hundred forty".