2150245240 has 128 divisors (see below), whose sum is σ = 5720440320. Its totient is φ = 717120000.

The previous prime is 2150245177. The next prime is 2150245243. The reversal of 2150245240 is 425420512.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2150245243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 954115 + ... + 956365.

It is an arithmetic number, because the mean of its divisors is an integer number (44690940).

Almost surely, 2^2150245240 is an apocalyptic number.

2150245240 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 2150245240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2860220160).

2150245240 is an abundant number, since it is smaller than the sum of its proper divisors (3570195080).

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

2150245240 is a wasteful number, since it uses less digits than its factorization.

2150245240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2453 (or 2449 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 25.

The square root of 2150245240 is about 46370.7368930018. The cubic root of 2150245240 is about 1290.7119520122.

Adding to 2150245240 its reverse (425420512), we get a palindrome (2575665752).

The spelling of 2150245240 in words is "two billion, one hundred fifty million, two hundred forty-five thousand, two hundred forty".