40828356406 has 4 divisors (see below), whose sum is σ = 61242534612. Its totient is φ = 20414178202.

The previous prime is 40828356403. The next prime is 40828356407. The reversal of 40828356406 is 60465382804.

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

It is a super-2 number, since 2×40828356406² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40828356403) by changing a digit.

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, 10207089100 + ... + 10207089103.

It is an arithmetic number, because the mean of its divisors is an integer number (15310633653).

Almost surely, 2^40828356406 is an apocalyptic number.

40828356406 is a deficient number, since it is larger than the sum of its proper divisors (20414178206).

40828356406 is a wasteful number, since it uses less digits than its factorization.

40828356406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20414178205.

The product of its (nonzero) digits is 1105920, while the sum is 46.

The spelling of 40828356406 in words is "forty billion, eight hundred twenty-eight million, three hundred fifty-six thousand, four hundred six".