40706979591 has 8 divisors (see below), whose sum is σ = 54302037760. Its totient is φ = 27124953912.

The previous prime is 40706979581. The next prime is 40706979641. The reversal of 40706979591 is 19597960704.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 40706979591 - 2⁵ = 40706979559 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40706979581) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3250831 + ... + 3263328.

It is an arithmetic number, because the mean of its divisors is an integer number (6787754720).

Almost surely, 2^40706979591 is an apocalyptic number.

40706979591 is a deficient number, since it is larger than the sum of its proper divisors (13595058169).

40706979591 is a wasteful number, since it uses less digits than its factorization.

40706979591 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6516245.

The product of its (nonzero) digits is 4286520, while the sum is 57.

The spelling of 40706979591 in words is "forty billion, seven hundred six million, nine hundred seventy-nine thousand, five hundred ninety-one".