240655985172 has 24 divisors (see below), whose sum is σ = 623922924800. Its totient is φ = 80218661688.

The previous prime is 240655985113. The next prime is 240655985173. The reversal of 240655985172 is 271589556042.

240655985172 is a `hidden beast` number, since 2 + 4 + 0 + 6 + 559 + 85 + 1 + 7 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (240655985173) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1114147972 + ... + 1114148187.

Almost surely, 2^240655985172 is an apocalyptic number.

It is an amenable number.

240655985172 is an abundant number, since it is smaller than the sum of its proper divisors (383266939628).

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

240655985172 is a wasteful number, since it uses less digits than its factorization.

240655985172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2228296172 (or 2228296164 counting only the distinct ones).

The product of its (nonzero) digits is 6048000, while the sum is 54.

The spelling of 240655985172 in words is "two hundred forty billion, six hundred fifty-five million, nine hundred eighty-five thousand, one hundred seventy-two".