1440303132 has 24 divisors (see below), whose sum is σ = 3537587200. Its totient is φ = 454832496.

The previous prime is 1440303119. The next prime is 1440303133. The reversal of 1440303132 is 2313030441.

It is a super-2 number, since 2×1440303132² = 4148946224098018848, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1440303099 and 1440303108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1440303133) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3158332 + ... + 3158787.

Almost surely, 2^1440303132 is an apocalyptic number.

1440303132 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1440303132 is an abundant number, since it is smaller than the sum of its proper divisors (2097284068).

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

1440303132 is a wasteful number, since it uses less digits than its factorization.

1440303132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6317145 (or 6317143 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 21.

The square root of 1440303132 is about 37951.3258266427. The cubic root of 1440303132 is about 1129.3224674682.

Adding to 1440303132 its reverse (2313030441), we get a palindrome (3753333573).

The spelling of 1440303132 in words is "one billion, four hundred forty million, three hundred three thousand, one hundred thirty-two".