1442086309277 has 8 divisors (see below), whose sum is σ = 1499543032440. Its totient is φ = 1385144893440.

The previous prime is 1442086309271. The next prime is 1442086309337. The reversal of 1442086309277 is 7729036802441.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 379350055396 + 1062736253881 = 615914^2 + 1030891^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1442086309277 is a prime.

It is a super-2 number, since 2×1442086309277² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1442086309271) 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, 128821124 + ... + 128832317.

It is an arithmetic number, because the mean of its divisors is an integer number (187442879055).

Almost surely, 2^{1442086309277} is an apocalyptic number.

It is an amenable number.

1442086309277 is a deficient number, since it is larger than the sum of its proper divisors (57456723163).

1442086309277 is a wasteful number, since it uses less digits than its factorization.

1442086309277 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 257653663.

The product of its (nonzero) digits is 4064256, while the sum is 53.

The spelling of 1442086309277 in words is "one trillion, four hundred forty-two billion, eighty-six million, three hundred nine thousand, two hundred seventy-seven".