40824572819 has 2 divisors, whose sum is σ = 40824572820. Its totient is φ = 40824572818.

The previous prime is 40824572801. The next prime is 40824572869. The reversal of 40824572819 is 91827542804.

It is an a-pointer prime, because the next prime (40824572869) can be obtained adding 40824572819 to its sum of digits (50).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 40824572819 - 2⁸ = 40824572563 is a prime.

It is a super-2 number, since 2×40824572819² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (40824572869) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20412286409 + 20412286410.

It is an arithmetic number, because the mean of its divisors is an integer number (20412286410).

Almost surely, 2^40824572819 is an apocalyptic number.

40824572819 is a deficient number, since it is larger than the sum of its proper divisors (1).

40824572819 is an equidigital number, since it uses as much as digits as its factorization.

40824572819 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1290240, while the sum is 50.

The spelling of 40824572819 in words is "forty billion, eight hundred twenty-four million, five hundred seventy-two thousand, eight hundred nineteen".