1424212140 has 192 divisors, whose sum is σ = 4488462720. Its totient is φ = 335093760.

The previous prime is 1424212067. The next prime is 1424212193. The reversal of 1424212140 is 412124241.

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, 1760056 + ... + 1760864.

It is an arithmetic number, because the mean of its divisors is an integer number (23377410).

Almost surely, 2^1424212140 is an apocalyptic number.

1424212140 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 1424212140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2244231360).

1424212140 is an abundant number, since it is smaller than the sum of its proper divisors (3064250580).

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

1424212140 is a wasteful number, since it uses less digits than its factorization.

1424212140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 932 (or 930 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 21.

The square root of 1424212140 is about 37738.7352729261. The cubic root of 1424212140 is about 1125.1011306618.

Adding to 1424212140 its reverse (412124241), we get a palindrome (1836336381).

The spelling of 1424212140 in words is "one billion, four hundred twenty-four million, two hundred twelve thousand, one hundred forty".