2390207040 has 168 divisors, whose sum is σ = 8853863928. Its totient is φ = 588349440.

The previous prime is 2390207023. The next prime is 2390207047. The reversal of 2390207040 is 407020932.

It can be written as a sum of positive squares in 4 ways, for example, as 95413824 + 2294793216 = 9768^2 + 47904^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2390206995 and 2390207013.

It is not an unprimeable number, because it can be changed into a prime (2390207047) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5520 + ... + 69360.

It is an arithmetic number, because the mean of its divisors is an integer number (52701571).

Almost surely, 2^2390207040 is an apocalyptic number.

2390207040 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 2390207040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4426931964).

2390207040 is an abundant number, since it is smaller than the sum of its proper divisors (6463656888).

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

2390207040 is a wasteful number, since it uses less digits than its factorization.

2390207040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63877 (or 63864 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 27.

The square root of 2390207040 is about 48889.7437096985. The cubic root of 2390207040 is about 1337.0423815426.

Adding to 2390207040 its reverse (407020932), we get a palindrome (2797227972).

The spelling of 2390207040 in words is "two billion, three hundred ninety million, two hundred seven thousand, forty".