40040601563 has 2 divisors, whose sum is σ = 40040601564. Its totient is φ = 40040601562.

The previous prime is 40040601521. The next prime is 40040601581. The reversal of 40040601563 is 36510604004.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 40040601563 - 2¹⁰ = 40040600539 is a prime.

It is not a weakly prime, because it can be changed into another prime (40040001563) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20020300781 + 20020300782.

It is an arithmetic number, because the mean of its divisors is an integer number (20020300782).

Almost surely, 2^40040601563 is an apocalyptic number.

40040601563 is a deficient number, since it is larger than the sum of its proper divisors (1).

40040601563 is an equidigital number, since it uses as much as digits as its factorization.

40040601563 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8640, while the sum is 29.

The spelling of 40040601563 in words is "forty billion, forty million, six hundred one thousand, five hundred sixty-three".