1442086317 has 36 divisors (see below), whose sum is σ = 2482228476. Its totient is φ = 803940480.

The previous prime is 1442086297. The next prime is 1442086337. The reversal of 1442086317 is 7136802441.

1442086317 is a `hidden beast` number, since 14 + 4 + 2 + 0 + 8 + 631 + 7 = 666.

It is an interprime number because it is at equal distance from previous prime (1442086297) and next prime (1442086337).

It can be written as a sum of positive squares in 2 ways, for example, as 441882441 + 1000203876 = 21021^2 + 31626^2 .

It is not a de Polignac number, because 1442086317 - 2⁶ = 1442086253 is a prime.

It is a super-2 number, since 2×1442086317² = 4159225891357248978, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1442086337) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 21798 + ... + 57959.

It is an arithmetic number, because the mean of its divisors is an integer number (68950791).

Almost surely, 2^1442086317 is an apocalyptic number.

It is an amenable number.

1442086317 is a deficient number, since it is larger than the sum of its proper divisors (1040142159).

1442086317 is a wasteful number, since it uses less digits than its factorization.

1442086317 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79818 (or 79808 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 36.

The square root of 1442086317 is about 37974.8116124359. The cubic root of 1442086317 is about 1129.7883324528.

Adding to 1442086317 its reverse (7136802441), we get a palindrome (8578888758).

The spelling of 1442086317 in words is "one billion, four hundred forty-two million, eighty-six thousand, three hundred seventeen".