40748557519 has 2 divisors, whose sum is σ = 40748557520. Its totient is φ = 40748557518.

The previous prime is 40748557513. The next prime is 40748557559. The reversal of 40748557519 is 91575584704.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 40748557519 - 2³ = 40748557511 is a prime.

It is a super-2 number, since 2×40748557519² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 40748557519.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40748557511) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20374278759 + 20374278760.

It is an arithmetic number, because the mean of its divisors is an integer number (20374278760).

Almost surely, 2^40748557519 is an apocalyptic number.

40748557519 is a deficient number, since it is larger than the sum of its proper divisors (1).

40748557519 is an equidigital number, since it uses as much as digits as its factorization.

40748557519 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7056000, while the sum is 55.

The spelling of 40748557519 in words is "forty billion, seven hundred forty-eight million, five hundred fifty-seven thousand, five hundred nineteen".