240381489 has 8 divisors (see below), whose sum is σ = 329171200. Its totient is φ = 155923056.

The previous prime is 240381473. The next prime is 240381511. The reversal of 240381489 is 984183042.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 240381489 - 2⁴ = 240381473 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (240381439) 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, 1082689 + ... + 1082910.

It is an arithmetic number, because the mean of its divisors is an integer number (41146400).

Almost surely, 2^240381489 is an apocalyptic number.

It is an amenable number.

240381489 is a deficient number, since it is larger than the sum of its proper divisors (88789711).

240381489 is a wasteful number, since it uses less digits than its factorization.

240381489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2165639.

The product of its (nonzero) digits is 55296, while the sum is 39.

The square root of 240381489 is about 15504.2410004489. The cubic root of 240381489 is about 621.7755977212.

The spelling of 240381489 in words is "two hundred forty million, three hundred eighty-one thousand, four hundred eighty-nine".