1440212000 has 48 divisors (see below), whose sum is σ = 3538610712. Its totient is φ = 576083200.

The previous prime is 1440211991. The next prime is 1440212009. The reversal of 1440212000 is 2120441.

It is an interprime number because it is at equal distance from previous prime (1440211991) and next prime (1440212009).

It can be written as a sum of positive squares in 4 ways, for example, as 635241616 + 804970384 = 25204^2 + 28372^2 .

It is not an unprimeable number, because it can be changed into a prime (1440212009) 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, 176027 + ... + 184026.

Almost surely, 2^1440212000 is an apocalyptic number.

1440212000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1440212000 is an abundant number, since it is smaller than the sum of its proper divisors (2098398712).

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

1440212000 is an equidigital number, since it uses as much as digits as its factorization.

1440212000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 360078 (or 360060 counting only the distinct ones).

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

The square root of 1440212000 is about 37950.1251644840. The cubic root of 1440212000 is about 1129.2986485041.

Adding to 1440212000 its reverse (2120441), we get a palindrome (1442332441).

The spelling of 1440212000 in words is "one billion, four hundred forty million, two hundred twelve thousand".