1442042312540 has 24 divisors (see below), whose sum is σ = 3030504194592. Its totient is φ = 576394955840.

The previous prime is 1442042312537. The next prime is 1442042312563. The reversal of 1442042312540 is 452132402441.

It is a super-2 number, since 2×1442042312540² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1442042312497 and 1442042312506.

It is a congruent number.

It is an unprimeable number.

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, 26345051 + ... + 26399730.

It is an arithmetic number, because the mean of its divisors is an integer number (126271008108).

Almost surely, 2^{1442042312540} is an apocalyptic number.

1442042312540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1442042312540 is an abundant number, since it is smaller than the sum of its proper divisors (1588461882052).

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

1442042312540 is a wasteful number, since it uses less digits than its factorization.

1442042312540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52746157 (or 52746155 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 32.

Adding to 1442042312540 its reverse (452132402441), we get a palindrome (1894174714981).

The spelling of 1442042312540 in words is "one trillion, four hundred forty-two billion, forty-two million, three hundred twelve thousand, five hundred forty".