40101219 has 6 divisors (see below), whose sum is σ = 57923996. Its totient is φ = 26734140.

The previous prime is 40101169. The next prime is 40101251. The reversal of 40101219 is 91210104.

It is not a de Polignac number, because 40101219 - 2⁷ = 40101091 is a prime.

It is a super-2 number, since 2×40101219² = 3216215530571922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40101289) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2227837 + ... + 2227854.

Almost surely, 2^40101219 is an apocalyptic number.

40101219 is a deficient number, since it is larger than the sum of its proper divisors (17822777).

40101219 is a wasteful number, since it uses less digits than its factorization.

40101219 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4455697 (or 4455694 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 18.

The square root of 40101219 is about 6332.5523290376. The cubic root of 40101219 is about 342.2834164470.

The spelling of 40101219 in words is "forty million, one hundred one thousand, two hundred nineteen".