1042430330440 has 64 divisors (see below), whose sum is σ = 2357837262000. Its totient is φ = 414774033408.

The previous prime is 1042430330423. The next prime is 1042430330497. The reversal of 1042430330440 is 440330342401.

It can be written as a sum of positive squares in 8 ways, for example, as 630274034404 + 412156296036 = 793898^2 + 641994^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1042430330399 and 1042430330408.

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, 54748602 + ... + 54767638.

Almost surely, 2^{1042430330440} is an apocalyptic number.

1042430330440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1042430330440 is an abundant number, since it is smaller than the sum of its proper divisors (1315406931560).

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

1042430330440 is a wasteful number, since it uses less digits than its factorization.

1042430330440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26194 (or 26190 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 28.

Adding to 1042430330440 its reverse (440330342401), we get a palindrome (1482760672841).

The spelling of 1042430330440 in words is "one trillion, forty-two billion, four hundred thirty million, three hundred thirty thousand, four hundred forty".