40204419 has 4 divisors (see below), whose sum is σ = 53605896. Its totient is φ = 26802944.

The previous prime is 40204387. The next prime is 40204421. The reversal of 40204419 is 91440204.

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 40204419 - 2⁵ = 40204387 is a prime.

It is a super-2 number, since 2×40204419² = 3232790614255122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (40204319) 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, 6700734 + ... + 6700739.

It is an arithmetic number, because the mean of its divisors is an integer number (13401474).

Almost surely, 2^40204419 is an apocalyptic number.

40204419 is a deficient number, since it is larger than the sum of its proper divisors (13401477).

40204419 is a wasteful number, since it uses less digits than its factorization.

40204419 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13401476.

The product of its (nonzero) digits is 1152, while the sum is 24.

The square root of 40204419 is about 6340.6954665872. The cubic root of 40204419 is about 342.5767856682.

The spelling of 40204419 in words is "forty million, two hundred four thousand, four hundred nineteen".