1424400205 has 8 divisors (see below), whose sum is σ = 1709895672. Its totient is φ = 1139109888.

The previous prime is 1424400193. The next prime is 1424400209. The reversal of 1424400205 is 5020044241.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 84400969 + 1339999236 = 9187^2 + 36606^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1424400205 - 2⁷ = 1424400077 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1424400209) 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, 35572 + ... + 64141.

It is an arithmetic number, because the mean of its divisors is an integer number (213736959).

Almost surely, 2^1424400205 is an apocalyptic number.

It is an amenable number.

1424400205 is a deficient number, since it is larger than the sum of its proper divisors (285495467).

1424400205 is an equidigital number, since it uses as much as digits as its factorization.

1424400205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102575.

The product of its (nonzero) digits is 1280, while the sum is 22.

The square root of 1424400205 is about 37741.2268613515. The cubic root of 1424400205 is about 1125.1506511008.

Adding to 1424400205 its reverse (5020044241), we get a palindrome (6444444446).

The spelling of 1424400205 in words is "one billion, four hundred twenty-four million, four hundred thousand, two hundred five".