235440172 has 24 divisors (see below), whose sum is σ = 473135040. Its totient is φ = 101385360.

The previous prime is 235440169. The next prime is 235440187. The reversal of 235440172 is 271044532.

It is a self number, because there is not a number n which added to its sum of digits gives 235440172.

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, 139978 + ... + 141649.

It is an arithmetic number, because the mean of its divisors is an integer number (19713960).

Almost surely, 2^235440172 is an apocalyptic number.

235440172 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

235440172 is an abundant number, since it is smaller than the sum of its proper divisors (237694868).

235440172 is a wasteful number, since it uses less digits than its factorization.

235440172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 281661 (or 281659 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 28.

The square root of 235440172 is about 15344.0598278291. The cubic root of 235440172 is about 617.4856303103.

The spelling of 235440172 in words is "two hundred thirty-five million, four hundred forty thousand, one hundred seventy-two".