1442042321430 has 16 divisors (see below), whose sum is σ = 3460901571504. Its totient is φ = 384544619040.

The previous prime is 1442042321429. The next prime is 1442042321437. The reversal of 1442042321430 is 341232402441.

It is a Harshad number since it is a multiple of its sum of digits (30), and also a Moran number because the ratio is a prime number: 48068077381 = 1442042321430 / (1 + 4 + 4 + 2 + 0 + 4 + 2 + 3 + 2 + 1 + 4 + 3 + 0).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1442042321437) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24034038661 + ... + 24034038720.

It is an arithmetic number, because the mean of its divisors is an integer number (216306348219).

Almost surely, 2^{1442042321430} is an apocalyptic number.

1442042321430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1442042321430 is an abundant number, since it is smaller than the sum of its proper divisors (2018859250074).

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

1442042321430 is a wasteful number, since it uses less digits than its factorization.

1442042321430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48068077391.

The product of its (nonzero) digits is 18432, while the sum is 30.

Adding to 1442042321430 its reverse (341232402441), we get a palindrome (1783274723871).

The spelling of 1442042321430 in words is "one trillion, four hundred forty-two billion, forty-two million, three hundred twenty-one thousand, four hundred thirty".