40476751309 has 2 divisors, whose sum is σ = 40476751310. Its totient is φ = 40476751308.

The previous prime is 40476751303. The next prime is 40476751369. The reversal of 40476751309 is 90315767404.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 29385502084 + 11091249225 = 171422^2 + 105315^2 .

It is a cyclic number.

It is not a de Polignac number, because 40476751309 - 2⁵ = 40476751277 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40476751303) 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 as a sum of consecutive naturals, namely, 20238375654 + 20238375655.

It is an arithmetic number, because the mean of its divisors is an integer number (20238375655).

Almost surely, 2^40476751309 is an apocalyptic number.

It is an amenable number.

40476751309 is a deficient number, since it is larger than the sum of its proper divisors (1).

40476751309 is an equidigital number, since it uses as much as digits as its factorization.

40476751309 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 635040, while the sum is 46.

The spelling of 40476751309 in words is "forty billion, four hundred seventy-six million, seven hundred fifty-one thousand, three hundred nine".