172183040 has 80 divisors (see below), whose sum is σ = 417482208. Its totient is φ = 68100096.

The previous prime is 172183027. The next prime is 172183079. The reversal of 172183040 is 40381271.

It is a tau number, because it is divible by the number of its divisors (80).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 263354 + ... + 264006.

Almost surely, 2^172183040 is an apocalyptic number.

172183040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 172183040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (208741104).

172183040 is an abundant number, since it is smaller than the sum of its proper divisors (245299168).

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

172183040 is an equidigital number, since it uses as much as digits as its factorization.

172183040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 779 (or 763 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 26.

The square root of 172183040 is about 13121.8535276081. The cubic root of 172183040 is about 556.3269818971.

The spelling of 172183040 in words is "one hundred seventy-two million, one hundred eighty-three thousand, forty".