1421424330 has 32 divisors (see below), whose sum is σ = 3414265344. Its totient is φ = 378730176.

The previous prime is 1421424271. The next prime is 1421424359. The reversal of 1421424330 is 334241241.

It is a self number, because there is not a number n which added to its sum of digits gives 1421424330.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17959 + ... + 56261.

It is an arithmetic number, because the mean of its divisors is an integer number (106695792).

Almost surely, 2^1421424330 is an apocalyptic number.

1421424330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1421424330 is an abundant number, since it is smaller than the sum of its proper divisors (1992841014).

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

1421424330 is a wasteful number, since it uses less digits than its factorization.

1421424330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39550.

The product of its (nonzero) digits is 2304, while the sum is 24.

The square root of 1421424330 is about 37701.7815228936. The cubic root of 1421424330 is about 1124.3665451153.

Adding to 1421424330 its reverse (334241241), we get a palindrome (1755665571).

The spelling of 1421424330 in words is "one billion, four hundred twenty-one million, four hundred twenty-four thousand, three hundred thirty".