1442635401 has 8 divisors (see below), whose sum is σ = 2024751520. Its totient is φ = 911138112.

The previous prime is 1442635387. The next prime is 1442635429. The reversal of 1442635401 is 1045362441.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1442635401 - 2⁹ = 1442634889 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1442635001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12654640 + ... + 12654753.

It is an arithmetic number, because the mean of its divisors is an integer number (253093940).

Almost surely, 2^1442635401 is an apocalyptic number.

It is an amenable number.

1442635401 is a deficient number, since it is larger than the sum of its proper divisors (582116119).

1442635401 is a wasteful number, since it uses less digits than its factorization.

1442635401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25309415.

The product of its (nonzero) digits is 11520, while the sum is 30.

The square root of 1442635401 is about 37982.0405060076. The cubic root of 1442635401 is about 1129.9317057428.

Adding to 1442635401 its reverse (1045362441), we get a palindrome (2487997842).

The spelling of 1442635401 in words is "one billion, four hundred forty-two million, six hundred thirty-five thousand, four hundred one".