1200201440 has 48 divisors (see below), whose sum is σ = 2838483648. Its totient is φ = 479571456.

The previous prime is 1200201419. The next prime is 1200201451. The reversal of 1200201440 is 441020021.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 171449 + ... + 178311.

It is an arithmetic number, because the mean of its divisors is an integer number (59135076).

Almost surely, 2^1200201440 is an apocalyptic number.

1200201440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1200201440 is an abundant number, since it is smaller than the sum of its proper divisors (1638282208).

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

1200201440 is a wasteful number, since it uses less digits than its factorization.

1200201440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7971 (or 7963 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 14.

The square root of 1200201440 is about 34643.9235653238. The cubic root of 1200201440 is about 1062.7180275063.

Adding to 1200201440 its reverse (441020021), we get a palindrome (1641221461).

The spelling of 1200201440 in words is "one billion, two hundred million, two hundred one thousand, four hundred forty".