40238219 has 16 divisors (see below), whose sum is σ = 48921600. Its totient is φ = 32327424.

The previous prime is 40238189. The next prime is 40238221. The reversal of 40238219 is 91283204.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40238219 is a prime.

It is a super-2 number, since 2×40238219² = 3238228536583922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 40238191 and 40238200.

It is not an unprimeable number, because it can be changed into a prime (40238119) 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, 11342 + ... + 14460.

It is an arithmetic number, because the mean of its divisors is an integer number (3057600).

Almost surely, 2^40238219 is an apocalyptic number.

40238219 is a deficient number, since it is larger than the sum of its proper divisors (8683381).

40238219 is a wasteful number, since it uses less digits than its factorization.

40238219 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3242.

The product of its (nonzero) digits is 3456, while the sum is 29.

The square root of 40238219 is about 6343.3602294052. The cubic root of 40238219 is about 342.6727606240.

The spelling of 40238219 in words is "forty million, two hundred thirty-eight thousand, two hundred nineteen".