2250939840 has 112 divisors (see below), whose sum is σ = 7156326048. Its totient is φ = 599445504.

The previous prime is 2250939829. The next prime is 2250939841. The reversal of 2250939840 is 489390522.

It is a junction number, because it is equal to n+sod(n) for n = 2250939792 and 2250939801.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2250939841) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1163514 + ... + 1165446.

Almost surely, 2^2250939840 is an apocalyptic number.

2250939840 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 2250939840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3578163024).

2250939840 is an abundant number, since it is smaller than the sum of its proper divisors (4905386208).

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

2250939840 is a wasteful number, since it uses less digits than its factorization.

2250939840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3166 (or 3156 counting only the distinct ones).

The product of its (nonzero) digits is 155520, while the sum is 42.

The square root of 2250939840 is about 47444.0706516631. The cubic root of 2250939840 is about 1310.5531218988.

The spelling of 2250939840 in words is "two billion, two hundred fifty million, nine hundred thirty-nine thousand, eight hundred forty".