240806172 has 24 divisors (see below), whose sum is σ = 567339136. Its totient is φ = 79489008.

The previous prime is 240806039. The next prime is 240806183. The reversal of 240806172 is 271608042.

240806172 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×240806172² = 115975224946587168, which contains 22 as substring.

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, 96178 + ... + 98649.

Almost surely, 2^240806172 is an apocalyptic number.

It is an amenable number.

240806172 is an abundant number, since it is smaller than the sum of its proper divisors (326532964).

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

240806172 is a wasteful number, since it uses less digits than its factorization.

240806172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 194937 (or 194935 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 30.

The square root of 240806172 is about 15517.9306610128. The cubic root of 240806172 is about 622.1415468296.

The spelling of 240806172 in words is "two hundred forty million, eight hundred six thousand, one hundred seventy-two".