40171454745 has 16 divisors (see below), whose sum is σ = 64348826112. Its totient is φ = 21399943040.

The previous prime is 40171454737. The next prime is 40171454753. The reversal of 40171454745 is 54745417104.

It is an interprime number because it is at equal distance from previous prime (40171454737) and next prime (40171454753).

It is not a de Polignac number, because 40171454745 - 2³ = 40171454737 is a prime.

It is a super-2 number, since 2×40171454745² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 40171454697 and 40171454706.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1538676 + ... + 1564565.

It is an arithmetic number, because the mean of its divisors is an integer number (4021801632).

Almost surely, 2^40171454745 is an apocalyptic number.

It is an amenable number.

40171454745 is a deficient number, since it is larger than the sum of its proper divisors (24177371367).

40171454745 is a wasteful number, since it uses less digits than its factorization.

40171454745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3104112.

The product of its (nonzero) digits is 313600, while the sum is 42.

The spelling of 40171454745 in words is "forty billion, one hundred seventy-one million, four hundred fifty-four thousand, seven hundred forty-five".