40405654063 has 8 divisors (see below), whose sum is σ = 40680232416. Its totient is φ = 40131168000.

The previous prime is 40405654033. The next prime is 40405654067. The reversal of 40405654063 is 36045650404.

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

It is a cyclic number.

It is not a de Polignac number, because 40405654063 - 2¹⁷ = 40405522991 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40405654067) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1012203 + ... + 1051363.

It is an arithmetic number, because the mean of its divisors is an integer number (5085029052).

Almost surely, 2^40405654063 is an apocalyptic number.

40405654063 is a deficient number, since it is larger than the sum of its proper divisors (274578353).

40405654063 is a wasteful number, since it uses less digits than its factorization.

40405654063 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46145.

The product of its (nonzero) digits is 172800, while the sum is 37.

The spelling of 40405654063 in words is "forty billion, four hundred five million, six hundred fifty-four thousand, sixty-three".