40283672779 has 6 divisors (see below), whose sum is σ = 46860599004. Its totient is φ = 34528862340.

The previous prime is 40283672773. The next prime is 40283672797. The reversal of 40283672779 is 97727638204.

It is not a de Polignac number, because 40283672779 - 2¹¹ = 40283670731 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40283672773) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 411057837 + ... + 411057934.

It is an arithmetic number, because the mean of its divisors is an integer number (7810099834).

Almost surely, 2^40283672779 is an apocalyptic number.

40283672779 is a gapful number since it is divisible by the number (49) formed by its first and last digit.

40283672779 is a deficient number, since it is larger than the sum of its proper divisors (6576926225).

40283672779 is an equidigital number, since it uses as much as digits as its factorization.

40283672779 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 822115785 (or 822115778 counting only the distinct ones).

The product of its (nonzero) digits is 7112448, while the sum is 55.

The spelling of 40283672779 in words is "forty billion, two hundred eighty-three million, six hundred seventy-two thousand, seven hundred seventy-nine".