1032443640 has 192 divisors, whose sum is σ = 3437834400. Its totient is φ = 268655616.

The previous prime is 1032443639. The next prime is 1032443651. The reversal of 1032443640 is 463442301.

1032443640 is a `hidden beast` number, since 10 + 3 + 2 + 4 + 4 + 3 + 640 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3256762 + ... + 3257078.

Almost surely, 2^1032443640 is an apocalyptic number.

1032443640 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1032443640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1718917200).

1032443640 is an abundant number, since it is smaller than the sum of its proper divisors (2405390760).

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

1032443640 is a wasteful number, since it uses less digits than its factorization.

1032443640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 526 (or 519 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 27.

The square root of 1032443640 is about 32131.6610214909. The cubic root of 1032443640 is about 1010.6996557258.

Adding to 1032443640 its reverse (463442301), we get a palindrome (1495885941).

The spelling of 1032443640 in words is "one billion, thirty-two million, four hundred forty-three thousand, six hundred forty".