40033336673 has 8 divisors (see below), whose sum is σ = 43678478496. Its totient is φ = 36389152800.

The previous prime is 40033336657. The next prime is 40033336691. The reversal of 40033336673 is 37663333004.

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

It is not a de Polignac number, because 40033336673 - 2⁴ = 40033336657 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40033336633) 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, 150668 + ... + 320573.

It is an arithmetic number, because the mean of its divisors is an integer number (5459809812).

Almost surely, 2^40033336673 is an apocalyptic number.

It is an amenable number.

40033336673 is a deficient number, since it is larger than the sum of its proper divisors (3645141823).

40033336673 is a wasteful number, since it uses less digits than its factorization.

40033336673 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 478975.

The product of its (nonzero) digits is 244944, while the sum is 38.

Adding to 40033336673 its reverse (37663333004), we get a palindrome (77696669677).

The spelling of 40033336673 in words is "forty billion, thirty-three million, three hundred thirty-six thousand, six hundred seventy-three".