2440442312 has 64 divisors (see below), whose sum is σ = 5715066240. Its totient is φ = 949132800.

The previous prime is 2440442273. The next prime is 2440442351. The reversal of 2440442312 is 2132440442.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (2440442273) and next prime (2440442351).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 376862 + ... + 383282.

It is an arithmetic number, because the mean of its divisors is an integer number (89297910).

Almost surely, 2^2440442312 is an apocalyptic number.

2440442312 is a gapful number since it is divisible by the number (22) 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 2440442312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2857533120).

2440442312 is an abundant number, since it is smaller than the sum of its proper divisors (3274623928).

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

2440442312 is a wasteful number, since it uses less digits than its factorization.

2440442312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7062 (or 7058 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 26.

The square root of 2440442312 is about 49400.8331103839. The cubic root of 2440442312 is about 1346.3444426698.

Adding to 2440442312 its reverse (2132440442), we get a palindrome (4572882754).

The spelling of 2440442312 in words is "two billion, four hundred forty million, four hundred forty-two thousand, three hundred twelve".