40065502433 has 4 divisors (see below), whose sum is σ = 43707820848. Its totient is φ = 36423184020.

The previous prime is 40065502423. The next prime is 40065502447. The reversal of 40065502433 is 33420556004.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 40065502433 - 2¹⁰ = 40065501409 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 40065502433.

It is not an unprimeable number, because it can be changed into a prime (40065502423) 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, 1821159191 + ... + 1821159212.

It is an arithmetic number, because the mean of its divisors is an integer number (10926955212).

Almost surely, 2^40065502433 is an apocalyptic number.

It is an amenable number.

40065502433 is a deficient number, since it is larger than the sum of its proper divisors (3642318415).

40065502433 is a wasteful number, since it uses less digits than its factorization.

40065502433 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3642318414.

The product of its (nonzero) digits is 43200, while the sum is 32.

The spelling of 40065502433 in words is "forty billion, sixty-five million, five hundred two thousand, four hundred thirty-three".