40673340737 has 4 divisors (see below), whose sum is σ = 42441746880. Its totient is φ = 38904934596.

The previous prime is 40673340733. The next prime is 40673340761. The reversal of 40673340737 is 73704337604.

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 40673340737 - 2² = 40673340733 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40673340733) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 884203037 + ... + 884203082.

It is an arithmetic number, because the mean of its divisors is an integer number (10610436720).

Almost surely, 2^40673340737 is an apocalyptic number.

It is an amenable number.

40673340737 is a deficient number, since it is larger than the sum of its proper divisors (1768406143).

40673340737 is a wasteful number, since it uses less digits than its factorization.

40673340737 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1768406142.

The product of its (nonzero) digits is 889056, while the sum is 44.

The spelling of 40673340737 in words is "forty billion, six hundred seventy-three million, three hundred forty thousand, seven hundred thirty-seven".