40219638558209 has 8 divisors (see below), whose sum is σ = 46185230880480. Its totient is φ = 34638923160000.

The previous prime is 40219638558193. The next prime is 40219638558227. The reversal of 40219638558209 is 90285583691204.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 40219638558209 - 2⁴ = 40219638558193 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40219638558259) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 96219230792 + ... + 96219231209.

It is an arithmetic number, because the mean of its divisors is an integer number (5773153860060).

Almost surely, 2^{40219638558209} is an apocalyptic number.

It is an amenable number.

40219638558209 is a deficient number, since it is larger than the sum of its proper divisors (5965592322271).

40219638558209 is a wasteful number, since it uses less digits than its factorization.

40219638558209 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 192438462031.

The product of its (nonzero) digits is 37324800, while the sum is 62.

The spelling of 40219638558209 in words is "forty trillion, two hundred nineteen billion, six hundred thirty-eight million, five hundred fifty-eight thousand, two hundred nine".