40651775519 has 2 divisors, whose sum is σ = 40651775520. Its totient is φ = 40651775518.

The previous prime is 40651775513. The next prime is 40651775533. The reversal of 40651775519 is 91557715604.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 40651775519 - 2⁴ = 40651775503 is a prime.

It is a super-2 number, since 2×40651775519² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40651775513) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20325887759 + 20325887760.

It is an arithmetic number, because the mean of its divisors is an integer number (20325887760).

Almost surely, 2^40651775519 is an apocalyptic number.

40651775519 is a deficient number, since it is larger than the sum of its proper divisors (1).

40651775519 is an equidigital number, since it uses as much as digits as its factorization.

40651775519 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1323000, while the sum is 50.

The spelling of 40651775519 in words is "forty billion, six hundred fifty-one million, seven hundred seventy-five thousand, five hundred nineteen".