40828977311 has 4 divisors (see below), whose sum is σ = 40895151312. Its totient is φ = 40762803312.

The previous prime is 40828977283. The next prime is 40828977341. The reversal of 40828977311 is 11377982804.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40828977311 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 40828977311.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40828977341) 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, 33086075 + ... + 33087308.

It is an arithmetic number, because the mean of its divisors is an integer number (10223787828).

Almost surely, 2^40828977311 is an apocalyptic number.

40828977311 is a deficient number, since it is larger than the sum of its proper divisors (66174001).

40828977311 is an equidigital number, since it uses as much as digits as its factorization.

40828977311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66174000.

The product of its (nonzero) digits is 677376, while the sum is 50.

The spelling of 40828977311 in words is "forty billion, eight hundred twenty-eight million, nine hundred seventy-seven thousand, three hundred eleven".