40099219 has 2 divisors, whose sum is σ = 40099220. Its totient is φ = 40099218.

The previous prime is 40099211. The next prime is 40099229. The reversal of 40099219 is 91299004.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 40099219 - 2³ = 40099211 is a prime.

It is a super-2 number, since 2×40099219² = 3215894728819922, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (40099211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20049609 + 20049610.

It is an arithmetic number, because the mean of its divisors is an integer number (20049610).

Almost surely, 2^40099219 is an apocalyptic number.

40099219 is a deficient number, since it is larger than the sum of its proper divisors (1).

40099219 is an equidigital number, since it uses as much as digits as its factorization.

40099219 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5832, while the sum is 34.

The square root of 40099219 is about 6332.3944128584. The cubic root of 40099219 is about 342.2777260280.

The spelling of 40099219 in words is "forty million, ninety-nine thousand, two hundred nineteen".