1424045440 has 64 divisors (see below), whose sum is σ = 3583566000. Its totient is φ = 539633664.

The previous prime is 1424045407. The next prime is 1424045461. The reversal of 1424045440 is 445404241.

It is a tau number, because it is divible by the number of its divisors (64).

It is a junction number, because it is equal to n+sod(n) for n = 1424045399 and 1424045408.

It is a congruent number.

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, 46395 + ... + 70714.

Almost surely, 2^1424045440 is an apocalyptic number.

1424045440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1424045440 is an abundant number, since it is smaller than the sum of its proper divisors (2159520560).

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

1424045440 is a wasteful number, since it uses less digits than its factorization.

1424045440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117147 (or 117135 counting only the distinct ones).

The product of its (nonzero) digits is 10240, while the sum is 28.

The square root of 1424045440 is about 37736.5266022192. The cubic root of 1424045440 is about 1125.0572323147.

Adding to 1424045440 its reverse (445404241), we get a palindrome (1869449681).

The spelling of 1424045440 in words is "one billion, four hundred twenty-four million, forty-five thousand, four hundred forty".