1420403200 has 60 divisors (see below), whose sum is σ = 3519191610. Its totient is φ = 568156160.

The previous prime is 1420403189. The next prime is 1420403213. The reversal of 1420403200 is 23040241.

It can be written as a sum of positive squares in 3 ways, for example, as 772395264 + 648007936 = 27792^2 + 25456^2 .

It is a Harshad number since it is a multiple of its sum of digits (16).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 42685 + ... + 68284.

Almost surely, 2^1420403200 is an apocalyptic number.

1420403200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1420403200 is an abundant number, since it is smaller than the sum of its proper divisors (2098788410).

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

1420403200 is an equidigital number, since it uses as much as digits as its factorization.

1420403200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110997 (or 110976 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 1420403200 is about 37688.2368916350. The cubic root of 1420403200 is about 1124.0972379076.

Adding to 1420403200 its reverse (23040241), we get a palindrome (1443443441).

The spelling of 1420403200 in words is "one billion, four hundred twenty million, four hundred three thousand, two hundred".