40849169204 has 6 divisors (see below), whose sum is σ = 71486046114. Its totient is φ = 20424584600.

The previous prime is 40849169177. The next prime is 40849169261. The reversal of 40849169204 is 40296194804.

It can be written as a sum of positive squares in only one way, i.e., 40441210000 + 407959204 = 201100^2 + 20198^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5106146147 + ... + 5106146154.

It is an arithmetic number, because the mean of its divisors is an integer number (11914341019).

Almost surely, 2^40849169204 is an apocalyptic number.

It is an amenable number.

40849169204 is a deficient number, since it is larger than the sum of its proper divisors (30636876910).

40849169204 is a wasteful number, since it uses less digits than its factorization.

40849169204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10212292305 (or 10212292303 counting only the distinct ones).

The product of its (nonzero) digits is 497664, while the sum is 47.

The spelling of 40849169204 in words is "forty billion, eight hundred forty-nine million, one hundred sixty-nine thousand, two hundred four".