1424443240 has 32 divisors (see below), whose sum is σ = 3496361760. Its totient is φ = 517979200.

The previous prime is 1424443231. The next prime is 1424443253. The reversal of 1424443240 is 423444241.

It is a junction number, because it is equal to n+sod(n) for n = 1424443199 and 1424443208.

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, 1618246 + ... + 1619125.

It is an arithmetic number, because the mean of its divisors is an integer number (109261305).

Almost surely, 2^1424443240 is an apocalyptic number.

1424443240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1424443240 is an abundant number, since it is smaller than the sum of its proper divisors (2071918520).

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

1424443240 is a wasteful number, since it uses less digits than its factorization.

1424443240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3237393 (or 3237389 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 28.

The square root of 1424443240 is about 37741.7969895446. The cubic root of 1424443240 is about 1125.1619822727.

Adding to 1424443240 its reverse (423444241), we get a palindrome (1847887481).

The spelling of 1424443240 in words is "one billion, four hundred twenty-four million, four hundred forty-three thousand, two hundred forty".