1032144440 has 32 divisors (see below), whose sum is σ = 2371740480. Its totient is φ = 404072832.

The previous prime is 1032144439. The next prime is 1032144479. The reversal of 1032144440 is 444412301.

It is a happy number.

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, 272627 + ... + 276386.

It is an arithmetic number, because the mean of its divisors is an integer number (74116890).

Almost surely, 2^1032144440 is an apocalyptic number.

1032144440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1032144440 is an abundant number, since it is smaller than the sum of its proper divisors (1339596040).

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

1032144440 is a wasteful number, since it uses less digits than its factorization.

1032144440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 549071 (or 549067 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 23.

The square root of 1032144440 is about 32127.0048401652. The cubic root of 1032144440 is about 1010.6020134133.

Adding to 1032144440 its reverse (444412301), we get a palindrome (1476556741).

The spelling of 1032144440 in words is "one billion, thirty-two million, one hundred forty-four thousand, four hundred forty".