1032213440 has 28 divisors (see below), whose sum is σ = 2457959016. Its totient is φ = 412885248.

The previous prime is 1032213439. The next prime is 1032213449. The reversal of 1032213440 is 443122301.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1032213449) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1612514 + ... + 1613153.

Almost surely, 2^1032213440 is an apocalyptic number.

1032213440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1032213440 is an abundant number, since it is smaller than the sum of its proper divisors (1425745576).

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

1032213440 is an equidigital number, since it uses as much as digits as its factorization.

1032213440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3225684 (or 3225674 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 1032213440 is about 32128.0786851626. The cubic root of 1032213440 is about 1010.6245328665.

Adding to 1032213440 its reverse (443122301), we get a palindrome (1475335741).

The spelling of 1032213440 in words is "one billion, thirty-two million, two hundred thirteen thousand, four hundred forty".