1442081401 has 16 divisors (see below), whose sum is σ = 1535268096. Its totient is φ = 1352647296.

The previous prime is 1442081371. The next prime is 1442081447. The reversal of 1442081401 is 1041802441.

It is a cyclic number.

It is not a de Polignac number, because 1442081401 - 2⁹ = 1442080889 is a prime.

It is a super-2 number, since 2×1442081401² = 4159197534220245602, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1442081461) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 110325 + ... + 122701.

It is an arithmetic number, because the mean of its divisors is an integer number (95954256).

Almost surely, 2^1442081401 is an apocalyptic number.

It is an amenable number.

1442081401 is a deficient number, since it is larger than the sum of its proper divisors (93186695).

1442081401 is a wasteful number, since it uses less digits than its factorization.

1442081401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12528.

The product of its (nonzero) digits is 1024, while the sum is 25.

The square root of 1442081401 is about 37974.7468852657. The cubic root of 1442081401 is about 1129.7870486540.

Adding to 1442081401 its reverse (1041802441), we get a palindrome (2483883842).

The spelling of 1442081401 in words is "one billion, four hundred forty-two million, eighty-one thousand, four hundred one".