40407033671 has 2 divisors, whose sum is σ = 40407033672. Its totient is φ = 40407033670.

The previous prime is 40407033659. The next prime is 40407033707. The reversal of 40407033671 is 17633070404.

40407033671 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 40407033671 - 2¹⁰ = 40407032647 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40407033631) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20203516835 + 20203516836.

It is an arithmetic number, because the mean of its divisors is an integer number (20203516836).

Almost surely, 2^40407033671 is an apocalyptic number.

40407033671 is a deficient number, since it is larger than the sum of its proper divisors (1).

40407033671 is an equidigital number, since it uses as much as digits as its factorization.

40407033671 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 42336, while the sum is 35.

The spelling of 40407033671 in words is "forty billion, four hundred seven million, thirty-three thousand, six hundred seventy-one".