1201444240 has 40 divisors (see below), whose sum is σ = 2802340728. Its totient is φ = 479032320.

The previous prime is 1201444217. The next prime is 1201444243. The reversal of 1201444240 is 424441021.

It can be written as a sum of positive squares in 4 ways, for example, as 30162064 + 1171282176 = 5492^2 + 34224^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is not an unprimeable number, because it can be changed into a prime (1201444243) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1050 + ... + 49030.

Almost surely, 2^1201444240 is an apocalyptic number.

1201444240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1201444240 is an abundant number, since it is smaller than the sum of its proper divisors (1600896488).

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

1201444240 is a wasteful number, since it uses less digits than its factorization.

1201444240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48307 (or 48301 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 22.

The square root of 1201444240 is about 34661.8556918120. The cubic root of 1201444240 is about 1063.0847132721.

Adding to 1201444240 its reverse (424441021), we get a palindrome (1625885261).

The spelling of 1201444240 in words is "one billion, two hundred one million, four hundred forty-four thousand, two hundred forty".