99940015404 has 96 divisors (see below), whose sum is σ = 264687575040. Its totient is φ = 32598730944.

The previous prime is 99940015397. The next prime is 99940015451. The reversal of 99940015404 is 40451004999.

99940015404 is a `hidden beast` number, since 9 + 99 + 400 + 154 + 0 + 4 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 99940015404.

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 31 ways as a sum of consecutive naturals, for example, 2169499 + ... + 2215085.

It is an arithmetic number, because the mean of its divisors is an integer number (2757162240).

Almost surely, 2^99940015404 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 99940015404, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (132343787520).

99940015404 is an abundant number, since it is smaller than the sum of its proper divisors (164747559636).

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

99940015404 is a wasteful number, since it uses less digits than its factorization.

99940015404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46036 (or 46028 counting only the distinct ones).

The product of its (nonzero) digits is 233280, while the sum is 45.

The spelling of 99940015404 in words is "ninety-nine billion, nine hundred forty million, fifteen thousand, four hundred four".