40324019 has 4 divisors (see below), whose sum is σ = 40594800. Its totient is φ = 40053240.

The previous prime is 40324013. The next prime is 40324021. The reversal of 40324019 is 91042304.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 40324019 - 2⁴ = 40324003 is a prime.

It is a super-2 number, since 2×40324019² = 3252053016624722, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 40323985 and 40324003.

It is not an unprimeable number, because it can be changed into a prime (40324013) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 135167 + ... + 135464.

It is an arithmetic number, because the mean of its divisors is an integer number (10148700).

Almost surely, 2^40324019 is an apocalyptic number.

40324019 is a deficient number, since it is larger than the sum of its proper divisors (270781).

40324019 is a wasteful number, since it uses less digits than its factorization.

40324019 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 270780.

The product of its (nonzero) digits is 864, while the sum is 23.

The square root of 40324019 is about 6350.1196051728. The cubic root of 40324019 is about 342.9161482193.

The spelling of 40324019 in words is "forty million, three hundred twenty-four thousand, nineteen".