240645384 has 64 divisors (see below), whose sum is σ = 763958400. Its totient is φ = 68755392.

The previous prime is 240645347. The next prime is 240645397. The reversal of 240645384 is 483546042.

240645384 is a `hidden beast` number, since 2 + 4 + 0 + 645 + 3 + 8 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 78067 + ... + 81090.

It is an arithmetic number, because the mean of its divisors is an integer number (11936850).

Almost surely, 2^240645384 is an apocalyptic number.

240645384 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

240645384 is an abundant number, since it is smaller than the sum of its proper divisors (523313016).

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

240645384 is a wasteful number, since it uses less digits than its factorization.

240645384 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 159179 (or 159169 counting only the distinct ones).

The product of its (nonzero) digits is 92160, while the sum is 36.

The square root of 240645384 is about 15512.7490793863. The cubic root of 240645384 is about 622.0030465486.

The spelling of 240645384 in words is "two hundred forty million, six hundred forty-five thousand, three hundred eighty-four".