2425243240 has 128 divisors (see below), whose sum is σ = 6500736000. Its totient is φ = 813603840.

The previous prime is 2425243237. The next prime is 2425243241. The reversal of 2425243240 is 423425242.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a junction number, because it is equal to n+sod(n) for n = 2425243199 and 2425243208.

It is not an unprimeable number, because it can be changed into a prime (2425243241) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 642960 + ... + 646720.

It is an arithmetic number, because the mean of its divisors is an integer number (50787000).

Almost surely, 2^2425243240 is an apocalyptic number.

2425243240 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 2425243240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3250368000).

2425243240 is an abundant number, since it is smaller than the sum of its proper divisors (4075492760).

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

2425243240 is a wasteful number, since it uses less digits than its factorization.

2425243240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3840 (or 3822 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 28.

The square root of 2425243240 is about 49246.7586750641. The cubic root of 2425243240 is about 1343.5436095058.

Adding to 2425243240 its reverse (423425242), we get a palindrome (2848668482).

The spelling of 2425243240 in words is "two billion, four hundred twenty-five million, two hundred forty-three thousand, two hundred forty".