40733789617 has 4 divisors (see below), whose sum is σ = 40750479396. Its totient is φ = 40717099840.

The previous prime is 40733789611. The next prime is 40733789647. The reversal of 40733789617 is 71698733704.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 25831239841 + 14902549776 = 160721^2 + 122076^2 .

It is a cyclic number.

It is not a de Polignac number, because 40733789617 - 2⁷ = 40733789489 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40733789611) 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, 8341228 + ... + 8346109.

It is an arithmetic number, because the mean of its divisors is an integer number (10187619849).

Almost surely, 2^40733789617 is an apocalyptic number.

It is an amenable number.

40733789617 is a deficient number, since it is larger than the sum of its proper divisors (16689779).

40733789617 is a wasteful number, since it uses less digits than its factorization.

40733789617 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16689778.

The product of its (nonzero) digits is 5334336, while the sum is 55.

The spelling of 40733789617 in words is "forty billion, seven hundred thirty-three million, seven hundred eighty-nine thousand, six hundred seventeen".