40625205099 has 8 divisors (see below), whose sum is σ = 57353230800. Its totient is φ = 25490324736.

The previous prime is 40625205079. The next prime is 40625205113. The reversal of 40625205099 is 99050252604.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 40625205099 - 2¹⁵ = 40625172331 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 40625205099.

It is not an unprimeable number, because it can be changed into a prime (40625205079) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 398286274 + ... + 398286375.

It is an arithmetic number, because the mean of its divisors is an integer number (7169153850).

Almost surely, 2^40625205099 is an apocalyptic number.

40625205099 is a deficient number, since it is larger than the sum of its proper divisors (16728025701).

40625205099 is a wasteful number, since it uses less digits than its factorization.

40625205099 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 796572669.

The product of its (nonzero) digits is 194400, while the sum is 42.

The spelling of 40625205099 in words is "forty billion, six hundred twenty-five million, two hundred five thousand, ninety-nine".