40681673347 has 16 divisors (see below), whose sum is σ = 46611290880. Its totient is φ = 34781658912.

The previous prime is 40681673327. The next prime is 40681673359. The reversal of 40681673347 is 74337618604.

It is a de Polignac number, because none of the positive numbers 2^k-40681673347 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 40681673347.

It is not an unprimeable number, because it can be changed into a prime (40681673327) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5176473 + ... + 5184325.

It is an arithmetic number, because the mean of its divisors is an integer number (2913205680).

Almost surely, 2^40681673347 is an apocalyptic number.

40681673347 is a deficient number, since it is larger than the sum of its proper divisors (5929617533).

40681673347 is a wasteful number, since it uses less digits than its factorization.

40681673347 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9642.

The product of its (nonzero) digits is 2032128, while the sum is 49.

The spelling of 40681673347 in words is "forty billion, six hundred eighty-one million, six hundred seventy-three thousand, three hundred forty-seven".