40033333064 has 8 divisors (see below), whose sum is σ = 75062499510. Its totient is φ = 20016666528.

The previous prime is 40033333063. The next prime is 40033333073. The reversal of 40033333064 is 46033333004.

It can be written as a sum of positive squares in only one way, i.e., 39700562500 + 332770564 = 199250^2 + 18242^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (40033333063) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2502083309 + ... + 2502083324.

Almost surely, 2^40033333064 is an apocalyptic number.

It is an amenable number.

40033333064 is a deficient number, since it is larger than the sum of its proper divisors (35029166446).

40033333064 is a wasteful number, since it uses less digits than its factorization.

40033333064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5004166639 (or 5004166635 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 29.

Adding to 40033333064 its reverse (46033333004), we get a palindrome (86066666068).

The spelling of 40033333064 in words is "forty billion, thirty-three million, three hundred thirty-three thousand, sixty-four".