2352440040 has 128 divisors (see below), whose sum is σ = 7143966720. Its totient is φ = 619673600.

The previous prime is 2352440011. The next prime is 2352440119. The reversal of 2352440040 is 400442532.

It is a Harshad number since it is a multiple of its sum of digits (24).

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, 4514980 + ... + 4515500.

It is an arithmetic number, because the mean of its divisors is an integer number (55812240).

Almost surely, 2^2352440040 is an apocalyptic number.

2352440040 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 2352440040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3571983360).

2352440040 is an abundant number, since it is smaller than the sum of its proper divisors (4791526680).

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

2352440040 is a wasteful number, since it uses less digits than its factorization.

2352440040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 923 (or 919 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 24.

The square root of 2352440040 is about 48501.9591356885. The cubic root of 2352440040 is about 1329.9628836194.

Adding to 2352440040 its reverse (400442532), we get a palindrome (2752882572).

The spelling of 2352440040 in words is "two billion, three hundred fifty-two million, four hundred forty thousand, forty".