40163217311447 has 32 divisors (see below), whose sum is σ = 43177132684800. Its totient is φ = 37225193893888.

The previous prime is 40163217311443. The next prime is 40163217311501. The reversal of 40163217311447 is 74411371236104.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 40163217311447 - 2² = 40163217311443 is a prime.

It is a super-3 number, since 3×40163217311447³ (a number of 42 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a junction number, because it is equal to n+sod(n) for n = 40163217311398 and 40163217311407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40163217311443) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1447674458 + ... + 1447702200.

It is an arithmetic number, because the mean of its divisors is an integer number (1349285396400).

Almost surely, 2^{40163217311447} is an apocalyptic number.

40163217311447 is a deficient number, since it is larger than the sum of its proper divisors (3013915373353).

40163217311447 is a wasteful number, since it uses less digits than its factorization.

40163217311447 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31675.

The product of its (nonzero) digits is 338688, while the sum is 44.

The spelling of 40163217311447 in words is "forty trillion, one hundred sixty-three billion, two hundred seventeen million, three hundred eleven thousand, four hundred forty-seven".