40324219 has 4 divisors (see below), whose sum is σ = 43426096. Its totient is φ = 37222344.

The previous prime is 40324217. The next prime is 40324231. The reversal of 40324219 is 91242304.

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 40324219 - 2¹ = 40324217 is a prime.

It is a super-2 number, since 2×40324219² = 3252085275919922, 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 = 40324193 and 40324202.

It is not an unprimeable number, because it can be changed into a prime (40324217) 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, 1550919 + ... + 1550944.

It is an arithmetic number, because the mean of its divisors is an integer number (10856524).

Almost surely, 2^40324219 is an apocalyptic number.

40324219 is a deficient number, since it is larger than the sum of its proper divisors (3101877).

40324219 is a wasteful number, since it uses less digits than its factorization.

40324219 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3101876.

The product of its (nonzero) digits is 1728, while the sum is 25.

The square root of 40324219 is about 6350.1353528882. The cubic root of 40324219 is about 342.9167151529.

The spelling of 40324219 in words is "forty million, three hundred twenty-four thousand, two hundred nineteen".