40338545567 has 4 divisors (see below), whose sum is σ = 40340378616. Its totient is φ = 40336712520.

The previous prime is 40338545501. The next prime is 40338545609. The reversal of 40338545567 is 76554583304.

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 40338545567 - 2²⁶ = 40271436703 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 (40338545167) 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, 883109 + ... + 927662.

It is an arithmetic number, because the mean of its divisors is an integer number (10085094654).

Almost surely, 2^40338545567 is an apocalyptic number.

40338545567 is a deficient number, since it is larger than the sum of its proper divisors (1833049).

40338545567 is a wasteful number, since it uses less digits than its factorization.

40338545567 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1833048.

The product of its (nonzero) digits is 6048000, while the sum is 50.

The spelling of 40338545567 in words is "forty billion, three hundred thirty-eight million, five hundred forty-five thousand, five hundred sixty-seven".