40171454743 has 6 divisors (see below), whose sum is σ = 46730059656. Its totient is φ = 34432675452.

The previous prime is 40171454737. The next prime is 40171454753. The reversal of 40171454743 is 34745417104.

40171454743 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 40171454743 - 2²⁹ = 39634583831 is a prime.

It is a super-2 number, since 2×40171454743² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 40171454696 and 40171454705.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40171454723) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 409912755 + ... + 409912852.

It is an arithmetic number, because the mean of its divisors is an integer number (7788343276).

Almost surely, 2^40171454743 is an apocalyptic number.

40171454743 is a deficient number, since it is larger than the sum of its proper divisors (6558604913).

40171454743 is an equidigital number, since it uses as much as digits as its factorization.

40171454743 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 819825621 (or 819825614 counting only the distinct ones).

The product of its (nonzero) digits is 188160, while the sum is 40.

The spelling of 40171454743 in words is "forty billion, one hundred seventy-one million, four hundred fifty-four thousand, seven hundred forty-three".