172363465705340 has 96 divisors (see below), whose sum is σ = 445498034118144. Its totient is φ = 54549611792640.

The previous prime is 172363465705339. The next prime is 172363465705349. The reversal of 172363465705340 is 43507564363271.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (172363465705349) 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, 189019895 + ... + 189929585.

It is an arithmetic number, because the mean of its divisors is an integer number (4640604522064).

Almost surely, 2^{172363465705340} is an apocalyptic number.

172363465705340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

172363465705340 is an abundant number, since it is smaller than the sum of its proper divisors (273134568412804).

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

172363465705340 is a wasteful number, since it uses less digits than its factorization.

172363465705340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1013827 (or 1013825 counting only the distinct ones).

The product of its (nonzero) digits is 38102400, while the sum is 56.

The spelling of 172363465705340 in words is "one hundred seventy-two trillion, three hundred sixty-three billion, four hundred sixty-five million, seven hundred five thousand, three hundred forty".