171642764040 has 96 divisors (see below), whose sum is σ = 565995608640. Its totient is φ = 41610363520.

The previous prime is 171642764021. The next prime is 171642764071. The reversal of 171642764040 is 40467246171.

It is a super-2 number, since 2×171642764040² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 171642763983 and 171642764001.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5896044 + ... + 5925083.

It is an arithmetic number, because the mean of its divisors is an integer number (5895787590).

Almost surely, 2^171642764040 is an apocalyptic number.

171642764040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

171642764040 is an abundant number, since it is smaller than the sum of its proper divisors (394352844600).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

171642764040 is a wasteful number, since it uses less digits than its factorization.

171642764040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11821163 (or 11821148 counting only the distinct ones).

The product of its (nonzero) digits is 225792, while the sum is 42.

The spelling of 171642764040 in words is "one hundred seventy-one billion, six hundred forty-two million, seven hundred sixty-four thousand, forty".