2440031240 has 32 divisors (see below), whose sum is σ = 5511965760. Its totient is φ = 972120000.

The previous prime is 2440031213. The next prime is 2440031263. The reversal of 2440031240 is 421300442.

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

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 111476 + ... + 131555.

It is an arithmetic number, because the mean of its divisors is an integer number (172248930).

Almost surely, 2^2440031240 is an apocalyptic number.

2440031240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2440031240 is an abundant number, since it is smaller than the sum of its proper divisors (3071934520).

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

2440031240 is a wasteful number, since it uses less digits than its factorization.

2440031240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 243293 (or 243289 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 2440031240 is about 49396.6723575587. The cubic root of 2440031240 is about 1346.2688449558.

Adding to 2440031240 its reverse (421300442), we get a palindrome (2861331682).

The spelling of 2440031240 in words is "two billion, four hundred forty million, thirty-one thousand, two hundred forty".