1042442321000 has 32 divisors (see below), whose sum is σ = 2439315033480. Its totient is φ = 416976928000.

The previous prime is 1042442320967. The next prime is 1042442321003. The reversal of 1042442321000 is 1232442401.

It can be written as a sum of positive squares in 4 ways, for example, as 56540279524 + 985902041476 = 237782^2 + 992926^2 .

It is a super-2 number, since 2×1042442321000² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1042442321003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 521220161 + ... + 521222160.

Almost surely, 2^{1042442321000} is an apocalyptic number.

1042442321000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1042442321000 is an abundant number, since it is smaller than the sum of its proper divisors (1396872712480).

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

1042442321000 is a wasteful number, since it uses less digits than its factorization.

1042442321000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1042442342 (or 1042442328 counting only the distinct ones).

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

Adding to 1042442321000 its reverse (1232442401), we get a palindrome (1043674763401).

The spelling of 1042442321000 in words is "one trillion, forty-two billion, four hundred forty-two million, three hundred twenty-one thousand".