40974875779 has 4 divisors (see below), whose sum is σ = 42387802560. Its totient is φ = 39561949000.

The previous prime is 40974875761. The next prime is 40974875803. The reversal of 40974875779 is 97757847904.

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

It is a cyclic number.

It is not a de Polignac number, because 40974875779 - 2⁹ = 40974875267 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40974870779) 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 in 3 ways as a sum of consecutive naturals, for example, 706463347 + ... + 706463404.

It is an arithmetic number, because the mean of its divisors is an integer number (10596950640).

Almost surely, 2^40974875779 is an apocalyptic number.

40974875779 is a deficient number, since it is larger than the sum of its proper divisors (1412926781).

40974875779 is a wasteful number, since it uses less digits than its factorization.

40974875779 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1412926780.

The product of its (nonzero) digits is 124467840, while the sum is 67.

The spelling of 40974875779 in words is "forty billion, nine hundred seventy-four million, eight hundred seventy-five thousand, seven hundred seventy-nine".