1420434430 has 16 divisors (see below), whose sum is σ = 2557301184. Its totient is φ = 568058400.

The previous prime is 1420434427. The next prime is 1420434461. The reversal of 1420434430 is 344340241.

It is a junction number, because it is equal to n+sod(n) for n = 1420434395 and 1420434404.

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, 51739 + ... + 74281.

It is an arithmetic number, because the mean of its divisors is an integer number (159831324).

Almost surely, 2^1420434430 is an apocalyptic number.

1420434430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1420434430 is a deficient number, since it is larger than the sum of its proper divisors (1136866754).

1420434430 is a wasteful number, since it uses less digits than its factorization.

1420434430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28851.

The product of its (nonzero) digits is 4608, while the sum is 25.

The square root of 1420434430 is about 37688.6512096148. The cubic root of 1420434430 is about 1124.1054762490.

Adding to 1420434430 its reverse (344340241), we get a palindrome (1764774671).

It can be divided in two parts, 1420434 and 430, that added together give a square (1420864 = 1192²).

The spelling of 1420434430 in words is "one billion, four hundred twenty million, four hundred thirty-four thousand, four hundred thirty".