240440000 has 70 divisors (see below), whose sum is σ = 596312244. Its totient is φ = 96160000.

The previous prime is 240439981. The next prime is 240440029. The reversal of 240440000 is 44042.

It is a super-2 number, since 2×240440000² = 115622787200000000, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 36995 + ... + 43005.

Almost surely, 2^240440000 is an apocalyptic number.

240440000 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 240440000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (298156122).

240440000 is an abundant number, since it is smaller than the sum of its proper divisors (355872244).

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

240440000 is an frugal number, since it uses more digits than its factorization.

240440000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6043 (or 6018 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 14.

The square root of 240440000 is about 15506.1278209616. The cubic root of 240440000 is about 621.8260422053.

Adding to 240440000 its reverse (44042), we get a palindrome (240484042).

The spelling of 240440000 in words is "two hundred forty million, four hundred forty thousand".