40654474463 has 2 divisors, whose sum is σ = 40654474464. Its totient is φ = 40654474462.

The previous prime is 40654474433. The next prime is 40654474507. The reversal of 40654474463 is 36447445604.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 40654474463 - 2⁸ = 40654474207 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40654474403) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20327237231 + 20327237232.

It is an arithmetic number, because the mean of its divisors is an integer number (20327237232).

Almost surely, 2^40654474463 is an apocalyptic number.

40654474463 is a deficient number, since it is larger than the sum of its proper divisors (1).

40654474463 is an equidigital number, since it uses as much as digits as its factorization.

40654474463 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3870720, while the sum is 47.

The spelling of 40654474463 in words is "forty billion, six hundred fifty-four million, four hundred seventy-four thousand, four hundred sixty-three".