240381280 has 96 divisors (see below), whose sum is σ = 600493824. Its totient is φ = 90748416.

The previous prime is 240381259. The next prime is 240381283. The reversal of 240381280 is 82183042.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (240381283) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 305047 + ... + 305833.

It is an arithmetic number, because the mean of its divisors is an integer number (6255144).

Almost surely, 2^240381280 is an apocalyptic number.

240381280 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 240381280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (300246912).

240381280 is an abundant number, since it is smaller than the sum of its proper divisors (360112544).

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

240381280 is a wasteful number, since it uses less digits than its factorization.

240381280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 908 (or 900 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 28.

The square root of 240381280 is about 15504.2342603561. The cubic root of 240381280 is about 621.7754175199.

The spelling of 240381280 in words is "two hundred forty million, three hundred eighty-one thousand, two hundred eighty".