40302319 has 2 divisors, whose sum is σ = 40302320. Its totient is φ = 40302318.

The previous prime is 40302293. The next prime is 40302323. The reversal of 40302319 is 91320304.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 40302319 - 2¹⁷ = 40171247 is a prime.

It is a super-2 number, since 2×40302319² = 3248553833555522, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 40302319.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40302329) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20151159 + 20151160.

It is an arithmetic number, because the mean of its divisors is an integer number (20151160).

Almost surely, 2^40302319 is an apocalyptic number.

40302319 is a deficient number, since it is larger than the sum of its proper divisors (1).

40302319 is an equidigital number, since it uses as much as digits as its factorization.

40302319 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 648, while the sum is 22.

The square root of 40302319 is about 6348.4107460056. The cubic root of 40302319 is about 342.8546247914.

The spelling of 40302319 in words is "forty million, three hundred two thousand, three hundred nineteen".