1032221003440 has 80 divisors (see below), whose sum is σ = 2619071788320. Its totient is φ = 375212021760.

The previous prime is 1032221003431. The next prime is 1032221003453. The reversal of 1032221003440 is 443001222301.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (22).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2136676 + ... + 2574844.

It is an arithmetic number, because the mean of its divisors is an integer number (32738397354).

Almost surely, 2^{1032221003440} is an apocalyptic number.

1032221003440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1032221003440 is an abundant number, since it is smaller than the sum of its proper divisors (1586850784880).

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

1032221003440 is a wasteful number, since it uses less digits than its factorization.

1032221003440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 440870 (or 440864 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 1032221003440 its reverse (443001222301), we get a palindrome (1475222225741).

The spelling of 1032221003440 in words is "one trillion, thirty-two billion, two hundred twenty-one million, three thousand, four hundred forty".