40828146673 has 4 divisors (see below), whose sum is σ = 40829703588. Its totient is φ = 40826589760.

The previous prime is 40828146661. The next prime is 40828146691. The reversal of 40828146673 is 37664182804.

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

It can be written as a sum of positive squares in 2 ways, for example, as 20326775184 + 20501371489 = 142572^2 + 143183^2 .

It is a cyclic number.

It is not a de Polignac number, because 40828146673 - 2²¹ = 40826049521 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40828146613) 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, 738436 + ... + 791797.

It is an arithmetic number, because the mean of its divisors is an integer number (10207425897).

Almost surely, 2^40828146673 is an apocalyptic number.

It is an amenable number.

40828146673 is a deficient number, since it is larger than the sum of its proper divisors (1556915).

40828146673 is a wasteful number, since it uses less digits than its factorization.

40828146673 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1556914.

The product of its (nonzero) digits is 1548288, while the sum is 49.

The spelling of 40828146673 in words is "forty billion, eight hundred twenty-eight million, one hundred forty-six thousand, six hundred seventy-three".