40448171015871 has 64 divisors (see below), whose sum is σ = 56224987176960. Its totient is φ = 25852071041280.

The previous prime is 40448171015809. The next prime is 40448171015891. The reversal of 40448171015871 is 17851017184404.

It is not a de Polignac number, because 40448171015871 - 2¹⁴ = 40448170999487 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40448171015891) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 402327016 + ... + 402427538.

It is an arithmetic number, because the mean of its divisors is an integer number (878515424640).

Almost surely, 2^{40448171015871} is an apocalyptic number.

40448171015871 is a deficient number, since it is larger than the sum of its proper divisors (15776816161089).

40448171015871 is a wasteful number, since it uses less digits than its factorization.

40448171015871 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101036.

The product of its (nonzero) digits is 1003520, while the sum is 51.

The spelling of 40448171015871 in words is "forty trillion, four hundred forty-eight billion, one hundred seventy-one million, fifteen thousand, eight hundred seventy-one".