40471814447 has 4 divisors (see below), whose sum is σ = 40474779936. Its totient is φ = 40468848960.

The previous prime is 40471814423. The next prime is 40471814459. The reversal of 40471814447 is 74441817404.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 40471814447 - 2⁸ = 40471814191 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 40471814398 and 40471814407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40471814407) 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 3 ways as a sum of consecutive naturals, for example, 1462178 + ... + 1489599.

It is an arithmetic number, because the mean of its divisors is an integer number (10118694984).

Almost surely, 2^40471814447 is an apocalyptic number.

40471814447 is a deficient number, since it is larger than the sum of its proper divisors (2965489).

40471814447 is a wasteful number, since it uses less digits than its factorization.

40471814447 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2965488.

The product of its (nonzero) digits is 401408, while the sum is 44.

The spelling of 40471814447 in words is "forty billion, four hundred seventy-one million, eight hundred fourteen thousand, four hundred forty-seven".