1044021042432 has 360 divisors, whose sum is σ = 3300837547392. Its totient is φ = 327075840000.

The previous prime is 1044021042419. The next prime is 1044021042437. The reversal of 1044021042432 is 2342401204401.

1044021042432 is a `hidden beast` number, since 1 + 0 + 4 + 402 + 10 + 4 + 243 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 1044021042396 and 1044021042405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1044021042437) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 321136807 + ... + 321140057.

Almost surely, 2^{1044021042432} is an apocalyptic number.

1044021042432 is a gapful number since it is divisible by the number (12) 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 1044021042432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1650418773696).

1044021042432 is an abundant number, since it is smaller than the sum of its proper divisors (2256816504960).

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

1044021042432 is an equidigital number, since it uses as much as digits as its factorization.

1044021042432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4207 (or 4184 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 27.

Adding to 1044021042432 its reverse (2342401204401), we get a palindrome (3386422246833).

The spelling of 1044021042432 in words is "one trillion, forty-four billion, twenty-one million, forty-two thousand, four hundred thirty-two".