1424403420 has 192 divisors, whose sum is σ = 4467778560. Its totient is φ = 336179200.

The previous prime is 1424403413. The next prime is 1424403439. The reversal of 1424403420 is 243044241.

It is a happy number.

1424403420 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 5295046 + ... + 5295314.

It is an arithmetic number, because the mean of its divisors is an integer number (23269680).

Almost surely, 2^1424403420 is an apocalyptic number.

1424403420 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 1424403420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2233889280).

1424403420 is an abundant number, since it is smaller than the sum of its proper divisors (3043375140).

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

1424403420 is a wasteful number, since it uses less digits than its factorization.

1424403420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 476 (or 474 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 24.

The square root of 1424403420 is about 37741.2694540075. The cubic root of 1424403420 is about 1125.1514976224.

Adding to 1424403420 its reverse (243044241), we get a palindrome (1667447661).

The spelling of 1424403420 in words is "one billion, four hundred twenty-four million, four hundred three thousand, four hundred twenty".