240217380 has 192 divisors, whose sum is σ = 847660800. Its totient is φ = 55987200.

The previous prime is 240217339. The next prime is 240217387. The reversal of 240217380 is 83712042.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (240217387) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 132480 + ... + 134280.

It is an arithmetic number, because the mean of its divisors is an integer number (4414900).

Almost surely, 2^240217380 is an apocalyptic number.

240217380 is a gapful number since it is divisible by the number (20) 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 240217380, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (423830400).

240217380 is an abundant number, since it is smaller than the sum of its proper divisors (607443420).

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

240217380 is a wasteful number, since it uses less digits than its factorization.

240217380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1851 (or 1843 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 27.

The square root of 240217380 is about 15498.9477062154. The cubic root of 240217380 is about 621.6340696283.

The spelling of 240217380 in words is "two hundred forty million, two hundred seventeen thousand, three hundred eighty".