40064199989 has 8 divisors (see below), whose sum is σ = 44636323968. Its totient is φ = 35647063360.

The previous prime is 40064199893. The next prime is 40064200003. The reversal of 40064199989 is 98999146004.

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 40064199989 - 2²⁴ = 40047422773 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40064199389) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38746292 + ... + 38747325.

It is an arithmetic number, because the mean of its divisors is an integer number (5579540496).

Almost surely, 2^40064199989 is an apocalyptic number.

It is an amenable number.

40064199989 is a deficient number, since it is larger than the sum of its proper divisors (4572123979).

40064199989 is a wasteful number, since it uses less digits than its factorization.

40064199989 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77493675.

The product of its (nonzero) digits is 5038848, while the sum is 59.

The spelling of 40064199989 in words is "forty billion, sixty-four million, one hundred ninety-nine thousand, nine hundred eighty-nine".