1400200000 has 84 divisors (see below), whose sum is σ = 3473426124. Its totient is φ = 560000000.

The previous prime is 1400199943. The next prime is 1400200007. The reversal of 1400200000 is 20041.

It can be written as a sum of positive squares in 6 ways, for example, as 1196053056 + 204146944 = 34584^2 + 14288^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1400200007) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 196500 + ... + 203500.

It is an arithmetic number, because the mean of its divisors is an integer number (41350311).

Almost surely, 2^1400200000 is an apocalyptic number.

1400200000 is a gapful number since it is divisible by the number (10) 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 1400200000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1736713062).

1400200000 is an abundant number, since it is smaller than the sum of its proper divisors (2073226124).

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

1400200000 is an frugal number, since it uses more digits than its factorization.

1400200000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7038 (or 7008 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 7.

The square root of 1400200000 is about 37419.2463847149. The cubic root of 1400200000 is about 1118.7422104469.

Adding to 1400200000 its reverse (20041), we get a palindrome (1400220041).

The spelling of 1400200000 in words is "one billion, four hundred million, two hundred thousand".