40674677391 has 10 divisors (see below), whose sum is σ = 60760937952. Its totient is φ = 27116451540.

The previous prime is 40674677389. The next prime is 40674677399. The reversal of 40674677391 is 19377647604.

40674677391 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 40674677391 - 2¹ = 40674677389 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40674677399) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 251078175 + ... + 251078336.

Almost surely, 2^40674677391 is an apocalyptic number.

40674677391 is a deficient number, since it is larger than the sum of its proper divisors (20086260561).

40674677391 is an equidigital number, since it uses as much as digits as its factorization.

40674677391 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 502156523 (or 502156514 counting only the distinct ones).

The product of its (nonzero) digits is 5334336, while the sum is 54.

The spelling of 40674677391 in words is "forty billion, six hundred seventy-four million, six hundred seventy-seven thousand, three hundred ninety-one".