40204328851 has 4 divisors (see below), whose sum is σ = 40237365672. Its totient is φ = 40171292032.

The previous prime is 40204328819. The next prime is 40204328869. The reversal of 40204328851 is 15882340204.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 40204328851 - 2⁵ = 40204328819 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 40204328851.

It is not an unprimeable number, because it can be changed into a prime (40204328651) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16516585 + ... + 16519018.

It is an arithmetic number, because the mean of its divisors is an integer number (10059341418).

Almost surely, 2^40204328851 is an apocalyptic number.

40204328851 is a deficient number, since it is larger than the sum of its proper divisors (33036821).

40204328851 is a wasteful number, since it uses less digits than its factorization.

40204328851 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33036820.

The product of its (nonzero) digits is 61440, while the sum is 37.

The spelling of 40204328851 in words is "forty billion, two hundred four million, three hundred twenty-eight thousand, eight hundred fifty-one".