240442730 has 48 divisors (see below), whose sum is σ = 503745480. Its totient is φ = 82283520.

The previous prime is 240442717. The next prime is 240442733. The reversal of 240442730 is 37244042.

It can be written as a sum of positive squares in 4 ways, for example, as 240219001 + 223729 = 15499^2 + 473^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 240442730.

It is not an unprimeable number, because it can be changed into a prime (240442733) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 14726 + ... + 26414.

Almost surely, 2^240442730 is an apocalyptic number.

240442730 is an abundant number, since it is smaller than the sum of its proper divisors (263302750).

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

240442730 is a wasteful number, since it uses less digits than its factorization.

240442730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11735 (or 11724 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 26.

The square root of 240442730 is about 15506.2158504259. The cubic root of 240442730 is about 621.8283956388.

Adding to 240442730 its reverse (37244042), we get a palindrome (277686772).

The spelling of 240442730 in words is "two hundred forty million, four hundred forty-two thousand, seven hundred thirty".