40677250649 has 8 divisors (see below), whose sum is σ = 46822735680. Its totient is φ = 34615377936.

The previous prime is 40677250591. The next prime is 40677250703. The reversal of 40677250649 is 94605277604.

40677250649 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40677250649 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 40677250597 and 40677250606.

It is not an unprimeable number, because it can be changed into a prime (40677270649) 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, 20902034 + ... + 20903979.

It is an arithmetic number, because the mean of its divisors is an integer number (5852841960).

Almost surely, 2^40677250649 is an apocalyptic number.

It is an amenable number.

40677250649 is a deficient number, since it is larger than the sum of its proper divisors (6145485031).

40677250649 is a wasteful number, since it uses less digits than its factorization.

40677250649 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41806159.

The product of its (nonzero) digits is 2540160, while the sum is 50.

The spelling of 40677250649 in words is "forty billion, six hundred seventy-seven million, two hundred fifty thousand, six hundred forty-nine".