40286019 has 16 divisors (see below), whose sum is σ = 55737344. Its totient is φ = 25855200.

The previous prime is 40286011. The next prime is 40286021. The reversal of 40286019 is 91068204.

It is not a de Polignac number, because 40286019 - 2³ = 40286011 is a prime.

It is a super-2 number, since 2×40286019² = 3245926653736722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40286011) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18597 + ... + 20649.

It is an arithmetic number, because the mean of its divisors is an integer number (3483584).

Almost surely, 2^40286019 is an apocalyptic number.

40286019 is a deficient number, since it is larger than the sum of its proper divisors (15451325).

40286019 is a wasteful number, since it uses less digits than its factorization.

40286019 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2298.

The product of its (nonzero) digits is 3456, while the sum is 30.

The square root of 40286019 is about 6347.1268303068. The cubic root of 40286019 is about 342.8083968149.

The spelling of 40286019 in words is "forty million, two hundred eighty-six thousand, nineteen".