40302032819 has 2 divisors, whose sum is σ = 40302032820. Its totient is φ = 40302032818.

The previous prime is 40302032809. The next prime is 40302032857. The reversal of 40302032819 is 91823020304.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 40302032819 - 2⁴ = 40302032803 is a prime.

It is a super-2 number, since 2×40302032819² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (40302032809) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20151016409 + 20151016410.

It is an arithmetic number, because the mean of its divisors is an integer number (20151016410).

Almost surely, 2^40302032819 is an apocalyptic number.

40302032819 is a deficient number, since it is larger than the sum of its proper divisors (1).

40302032819 is an equidigital number, since it uses as much as digits as its factorization.

40302032819 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10368, while the sum is 32.

The spelling of 40302032819 in words is "forty billion, three hundred two million, thirty-two thousand, eight hundred nineteen".