2012250440 has 16 divisors (see below), whose sum is σ = 4527563580. Its totient is φ = 804900160.

The previous prime is 2012250413. The next prime is 2012250451. The reversal of 2012250440 is 440522102.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1791490276 + 220760164 = 42326^2 + 14858^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25153091 + ... + 25153170.

Almost surely, 2^2012250440 is an apocalyptic number.

2012250440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2012250440 is an abundant number, since it is smaller than the sum of its proper divisors (2515313140).

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

2012250440 is a wasteful number, since it uses less digits than its factorization.

2012250440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50306272 (or 50306268 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 20.

The square root of 2012250440 is about 44858.1145390664. The cubic root of 2012250440 is about 1262.4882466638.

Adding to 2012250440 its reverse (440522102), we get a palindrome (2452772542).

The spelling of 2012250440 in words is "two billion, twelve million, two hundred fifty thousand, four hundred forty".