240133340 has 96 divisors (see below), whose sum is σ = 557383680. Its totient is φ = 86594816.

The previous prime is 240133339. The next prime is 240133373. The reversal of 240133340 is 43331042.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 626789 + ... + 627171.

It is an arithmetic number, because the mean of its divisors is an integer number (5806080).

Almost surely, 2^240133340 is an apocalyptic number.

240133340 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 240133340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (278691840).

240133340 is an abundant number, since it is smaller than the sum of its proper divisors (317250340).

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

240133340 is a wasteful number, since it uses less digits than its factorization.

240133340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 491 (or 489 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 20.

The square root of 240133340 is about 15496.2363172481. The cubic root of 240133340 is about 621.5615683231.

Adding to 240133340 its reverse (43331042), we get a palindrome (283464382).

The spelling of 240133340 in words is "two hundred forty million, one hundred thirty-three thousand, three hundred forty".