1424164240 has 40 divisors (see below), whose sum is σ = 3319162560. Its totient is φ = 568292736.

The previous prime is 1424164229. The next prime is 1424164253. The reversal of 1424164240 is 424614241.

It is a tau number, because it is divible by the number of its divisors (40).

It is a junction number, because it is equal to n+sod(n) for n = 1424164199 and 1424164208.

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, 12277 + ... + 54763.

It is an arithmetic number, because the mean of its divisors is an integer number (82979064).

Almost surely, 2^1424164240 is an apocalyptic number.

1424164240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1424164240 is an abundant number, since it is smaller than the sum of its proper divisors (1894998320).

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

1424164240 is a wasteful number, since it uses less digits than its factorization.

1424164240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42919 (or 42913 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 28.

The square root of 1424164240 is about 37738.1006411293. The cubic root of 1424164240 is about 1125.0885171503.

Adding to 1424164240 its reverse (424614241), we get a palindrome (1848778481).

The spelling of 1424164240 in words is "one billion, four hundred twenty-four million, one hundred sixty-four thousand, two hundred forty".